Chemistry Notes for 10th class

Chemistry Notes for Class-10 Chapter-15

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If you are looking for Chemistry Notes for Class 10 Chapter-15 then you are on right place, and have found the your required Notes for Chemistry. on this post you can find the all type Notes & Solution for chemistry class 10 problems. so read this post and take benefits for your studies and share with your Friends.

 

 

Here are important MCQs for Chemistry Notes for Class 10, Chapter 15

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter-15 of Chemistry, 10th Class, Water.

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Chemistry Ch#15, 10th Class

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1 / 61

Sodium zeolite is naturally occurring reason of___________

2 / 61

The boiling point of water is ____________

3 / 61

Which one of the following diseases causes severe diarrhea and can be fatal?

4 / 61

The percentage of potable water on earth is____________

5 / 61

Hard water can cause____________

6 / 61

How many times the heat capacity of water is greater than that of rocks.

7 / 61

Which disease is caused by polluted water?

8 / 61

Mg2+ and Ca2+ ions react with soap to form calcium and magnesium salts of fatty acids called ___

9 / 61

The freezing point of water is _____________

10 / 61

The percentage of oceans in world water is _______

11 / 61

Maximum density of water at 4°C is _______________

12 / 61

Water has a maximum density at __________

13 / 61

Which organ ceases to function during Jaundice?

14 / 61

The heat capacity of water is _____________

15 / 61

The process by which water rises up from the roots of plants to leaves is called ______________

16 / 61

Soap is the sodium salt of long chain of _____________

17 / 61

Water which produces good lather with soap is called __________

18 / 61

Some organic compounds are soluble in water due to the presence of __________

19 / 61

Neurological damage is caused by the poisoning of__________

20 / 61

Rapid growth of algae in water bodies is because of detergent having __________

21 / 61

Acute lead poisoning causes dysfunction of_____________

22 / 61

Gypsum in water is ____________

23 / 61

Which of the following is soluble in water?

24 / 61

Which element do not cause toxicity in water?

25 / 61

Acute cadmium poisoning causes __________

26 / 61

Water dissolves non-ionic compound by ________

27 / 61

Which one of the properties of water is responsible for rising of water plants?

28 / 61

Which of the following salt is soluble in water?

29 / 61

A disease is caused by excess of bile pigments in the blood is

30 / 61

Chemical form of gypsum___________

31 / 61

Temporary hardness is due to the presence of bicarbonates of __________

32 / 61

Specific heat capacity of water is _____________

33 / 61

Hookworm infects ___________

34 / 61

Temporary hardness in water can be removed by ___________

35 / 61

Chemical formula of hypochlorous acid is __________

36 / 61

Which one of the following gases is used to destroy harmful bacteria in water?

37 / 61

Temporary hardness is because of______________

38 / 61

Vibrious cholera causes _______

39 / 61

Which element protects teeth from decay?

40 / 61

Permanent hardness is removed by adding__________

41 / 61

Which hepatitis is caused by contaminated water?

42 / 61

The salts of which element are present in detergent that causes the rapid growth of algae in water bodies is _________

43 / 61

The percentage of water in human body is_____

44 / 61

Which one of the followings is not a reason of depletion of O2 from water_________?

45 / 61

Temporary hardness is removed by adding _____________

46 / 61

The removal of which ion causes water softening.

47 / 61

Calcium carbonate is in water _________

48 / 61

Hook worm larvae enter the body through __________

49 / 61

Which is not a heavy metal?

50 / 61

Industrial effluents are highly____________

51 / 61

The depletion of which gas results in the death of aquatic life.

52 / 61

Water molecules show structure _________

53 / 61

Which one of the following diseases causes liver inflammation?

54 / 61

Inland water includes _________________

55 / 61

Example of pest is___________

56 / 61

Sea water is unfit for drinking purpose due to the presence of ____________

57 / 61

Swimming pools are cleaned by the process________

58 / 61

Which of the following is insoluble in water?

59 / 61

Which one of the following salts makes the water permanently hard?

60 / 61

Chemical formula of lime stone is _____________

61 / 61

One H2O molecule can form hydrogen bonding with how many other H2O molecules?

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Musa00:41:43 Jan 21, 202677%
Queen21:28:28 Sep 16, 202578%
hello i am gian.11:01:05 Feb 06, 202598%
unknown410:51:17 Feb 06, 202573%
Tooba21:05:41 Jan 15, 202552%
Fizza Arif23:15:03 Aug 03, 202477%
obaid06:47:15 Apr 01, 202465%
hgh01:28:28 Apr 01, 202437%
zainab13:42:27 Feb 25, 202427%
Ayesha Nasir14:46:05 Feb 21, 202467%
Ayesha Nasir14:28:40 Feb 21, 202429%
Ali15:17:49 Feb 18, 20240%
Sultan Khan08:59:40 Feb 18, 202465%
Sultan Khan08:49:27 Feb 18, 202437%
hassan09:44:27 Feb 01, 202467%
zainab21:23:41 Jan 29, 2024100%
zainab20:45:50 Jan 29, 202495%
mr zainab20:29:38 Jan 29, 202486%
H B C S19:53:35 Jan 26, 202481%
Warda khan21:44:58 Jan 06, 202434%
vg20:42:48 Dec 13, 202381%
laiba17:43:41 Dec 10, 202329%
laiba17:43:41 Dec 10, 202329%
Atif10:58:37 Aug 22, 202378%
Atif10:48:11 Aug 22, 202340%
sadaf shah11:07:03 Jul 22, 202347%
Basharat12:03:29 Jul 17, 202334%
Sehar11:40:32 Apr 26, 202337%
Sher14:54:59 Apr 09, 202373%
Yasir21:20:14 Apr 08, 202352%
Talha12:16:11 Mar 20, 202390%
Hoor11:07:26 Feb 28, 202332%
Hjhh17:59:00 Feb 09, 202326%
danish17:23:12 Feb 02, 20233%
807:07:01 Feb 01, 202377%
Qwerty20:49:32 Nov 11, 202249%
Ayan20:55:08 Nov 04, 202268%
Allia22:44:47 Oct 19, 202232%
Alizay06:55:40 Oct 08, 202291%
Alizay06:44:56 Oct 08, 202291%
Alizay06:29:02 Oct 08, 202247%
MAAZ18:35:25 Oct 06, 202234%
Rubab20:13:10 Sep 28, 202229%
Ammar10:55:09 May 26, 202229%
Junaid18:56:48 May 25, 202226%
Hshssh21:49:47 May 15, 202275%
Areeza19:07:43 May 15, 20224%
Parivash14:07:47 May 15, 202232%
Mahnoor20:39:48 May 10, 202262%
amna06:52:05 May 08, 202281%
Bela03:08:51 May 06, 202250%
Arbab08:30:14 May 05, 202218%
Ahmad23:21:14 Apr 06, 202291%
Ahmad hassan chishti23:11:16 Apr 06, 202257%
jinnie16:43:26 Apr 05, 202218%
Emaan16:05:29 Apr 05, 20223%
Fatima07:53:23 Apr 05, 202283%
Huzaifa04:36:20 Jul 30, 202129%
Faisalriaz13:48:25 Dec 10, 2020100%
Faisalriaz16:18:17 Dec 09, 202098%
Faisalriaz16:06:34 Dec 09, 202096%
Faisalriaz20:02:19 Dec 08, 202095%
Faisalriaz16:04:53 Dec 08, 202091%

 

MCQs in PDF Format

 

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Short Questions in PDF Format

 

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Long Questions in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 15, Chemistry class 10 chapter 12 pdf, Chemistry class 10 chapter-15 short questions, Chemistry class 10 chapter-15 solved exercise pdf, Chemistry Notes for Class 10 Chapter-15, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2021 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-16

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Here are important MCQs for Chemistry Notes for Class 10, Chapter 16

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter-16 of Chemistry, 10th Class, Chemical Industries.

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Chemistry Ch#16, 10th Class

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1 / 53

The number of carbon atoms present in petroleum ether _________

2 / 53

How many % age of nitrogen in urea fertilizers?

3 / 53

Red hair contains compounds of____________

4 / 53

Imperial chemical industries (ICT) was established in_________

5 / 53

An ore consists-of two portions pure metal and impurities called________

6 / 53

The number of carbon atoms present in kerosene oil_______

7 / 53

Process of heating the concentrated ore to high temperature in excess of air is called__________

8 / 53

When NaHCO3 is heated it forms________

  • CO2
  • Ca(OH)2
  • CaCO3
  • CaO

Which Option is Correct ?

9 / 53

The raw materials for the manufacturing of urea are ___________

10 / 53

The number of carbon atoms present in fuel oil_______________

11 / 53

Blast furnace usually used for the metallurgy of__________

12 / 53

The number of carbon atoms present in gasoline or petrol________

13 / 53

Metallurgy involves which of the following steps?

14 / 53

Froth flotation process is used to concentrate_________

15 / 53

Blonde hair contains compounds of____________

16 / 53

Brown hair contains___________

17 / 53

Formula of baking soda is________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

18 / 53

Sodium carbonate is manufactured by___________

19 / 53

The residual oil is heated above 400-C to produce___________

20 / 53

Matte is a mixture of_____________

  • FeS and CuS
  • Cu2O and FeO
  • Cu2S and FeS
  • CuS and FeO

Which Option is Correct ?

21 / 53

Sindh Alkalies Limited was established near Karachi in ___________

22 / 53

The number of carbon atoms present in petroleum gas_______

23 / 53

Ammonia is prepared by the process__________

24 / 53

Which one of the following is not a fraction of petroleum?

25 / 53

Formula of urea is__________

  • KCNO
  • H2N-CO-NH2
  • HN-CO2-NH
  • H3N-CO-NH3

Which Option is Correct ?

26 / 53

Which one of the following is used as jet fuel ?

27 / 53

Which one of the following organic compound is found in gasoline?

  • C2H4
  • C3H8
  • C7H10
  • C12H26

Which Option is Correct ?

28 / 53

Concentration of the copper ore is carried out by___________

29 / 53

Ammonical brine is prepared by dissolving ammonia gas in ______

  • NaCl
  • CaCO3
  • CaCl2
  • Na2SO4

Which Option is Correct ?

30 / 53

Which one of the following is not fraction of crude oil ?

31 / 53

The elements that do not conduct heat and electricity are called_________

32 / 53

In the bessemerization process__________

33 / 53

How many % age of urea is used as fertilizers?

34 / 53

Extraction of metals from its ores is called___________

35 / 53

How many % age of nitrogen present in air by volume?

36 / 53

When crude oil is heated in the fractionating tower__________

37 / 53

A saturated solution of sodium chloride is called _____________

38 / 53

Which one is not metal?

39 / 53

Crude oil is heated in fractionating furnace upto_________

40 / 53

The nitrogen present in urea is used by plants to synthesize_________

41 / 53

Concentration is a separating technique in which mineral is separated from___________

42 / 53

Which one is not metal?

43 / 53

Concentration is a __________

44 / 53

Which contains sufficient amount of metal?

45 / 53

Raw materials used in Solvay process.

46 / 53

Compounds of metals exist under earth crust are called_______

47 / 53

Froth flotation process is used to concentrate the ore on________

48 / 53

The process of roasting during metallurgy of copper is carried out in a special furnace called_______

49 / 53

When CO2 is passed through the ammonical brine the only salt that precipitates is___________

  • NaHCO3
  • NH4HCO3
  • Na2CO3
  • (NH4)2CO3

Which Option is Correct ?

50 / 53

The number of carbon atoms present in diesel oil______________

51 / 53

Which one of the ore of copper?

52 / 53

Formula of soda ash is___________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

53 / 53

In Solvay’s process slaked lime is used to_________

  • Prepare CO2
  • Prepare quick lime
  • Recover ammonia
  • Form Na2CO3

Which Option is Correct?

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Musa00:23:46 Feb 02, 202683%
Bilal21:46:27 Mar 17, 202537%
Bil12:14:25 Mar 17, 202516%
Hamid ali hashmi11:10:41 Mar 17, 202532%
Eman16:04:07 Mar 07, 202543%
Naila19:11:07 Feb 18, 202552%
unknown210:19:50 Feb 06, 202592%
unknown10:05:59 Feb 06, 202575%
Maham13:49:00 Jan 17, 202547%
vvv01:37:50 Apr 01, 202432%
zainab14:04:05 Feb 25, 20245%
Aliza Amir18:48:18 Feb 22, 20247%
asma19:14:57 Feb 09, 202432%
Zainab16:18:25 Feb 08, 2024100%
Zainab16:06:56 Feb 08, 202477%
Muhammad Aftab17:20:46 Jan 26, 202464%
Amna Amin11:01:01 Jan 23, 202479%
YUAB22:14:59 Jan 01, 20240%
YUAB22:14:16 Jan 01, 20240%
Moosa kashif12:36:46 Dec 23, 20230%
Moosa kashif12:36:21 Dec 23, 20230%
kutabacha18:51:32 Dec 20, 20230%
Mu20:06:52 Aug 16, 202333%
sadaf shah11:21:29 Jul 22, 202350%
Basharat17:43:52 Jul 17, 202335%
Sehar11:46:47 Apr 26, 202349%
Malik15:20:43 Apr 23, 202364%
faiq05:23:32 Apr 10, 202373%
65trrte05:18:57 Apr 10, 202364%
yourdadf05:12:54 Apr 10, 202343%
Sher15:05:57 Apr 09, 202375%
Haris23:40:55 Apr 02, 202367%
Haris23:29:07 Apr 02, 202337%
Uswa18:08:00 Mar 20, 202332%
Ali Raza23:27:14 Mar 13, 202328%
Ali Raza23:21:42 Mar 13, 202318%
fatima12:05:42 Mar 09, 202367%
Mahrukh10:36:56 Mar 03, 202362%
Areeba14:45:42 Feb 22, 202358%
522:24:05 Jan 31, 202362%
Zaid Raheel19:20:21 Dec 29, 202241%
lyka00:59:07 Oct 02, 202249%
lyka00:50:21 Oct 02, 202243%
lyka00:41:16 Oct 02, 202230%
Wahab22:56:25 Sep 26, 202230%
Abdullah10:32:32 May 16, 202252%
Ubaidillah10:21:57 May 16, 202228%
Muhammad Talha14:56:50 May 15, 202290%
Usama17:00:40 May 14, 202239%
Mahnoor21:14:36 May 10, 202279%
Mahnoor21:00:18 May 10, 202260%
abdullah17:25:08 May 09, 20221%
M ZAIN11:14:05 May 08, 202250%
Fatima00:27:14 May 08, 202226%
Bela02:33:56 May 07, 202254%
Iqra20:36:01 May 06, 20220%
Sidra16:41:07 Apr 25, 202254%
Mana14:01:13 Apr 14, 202264%
Hbb17:07:22 Apr 05, 202252%
Ghbb16:48:17 Apr 05, 202226%
Wkwwkwk16:42:42 Apr 05, 202224%
Fatima10:14:33 Apr 05, 202275%
Ak17:11:52 Apr 04, 20225%
A07:20:01 Jul 30, 20219%
Huzaifa00:07:40 Jul 30, 202116%
Hussnain13:39:57 Jul 29, 202152%
Rameen11:44:08 Jul 27, 202177%
Mansoor15:58:39 Jul 09, 202166%
Faisalriaz14:35:40 Jan 12, 202173%
Faisalriaz14:31:11 Jan 12, 202158%

 

MCQs in PDF Format

 

(Download in pdf format)

(Correct Answers has shown at front end of each question)

 

Short Questions in PDF Format

 

(Download in pdf format)

 

Long Questions in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 16, Chemistry class 10 chapter 16 pdf, Chemistry class 10 chapter-16 short questions, Chemistry class 10 chapter-16 solved exercise pdf, Chemistry Notes for Class 10 Chapter-16, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-14

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If you are looking for Chemistry Notes for Class 10 Chapter-14 then you are on right place, and have found the your required Notes for Chemistry. on this post you can find the all type Notes & Solution for chemistry class 10 problems. so read this post and take benefits for your studies and share with your Friends.

 

 

Here are important MCQs for Chemistry Notes for Class 10, Chapter 14

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter-14 of Chemistry, 10th Class, The Atmosphere.

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Chemistry Ch#14, 10th Class

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1 / 77

PAN strands for__________

2 / 77

Atmospheric region found between 50-85 km from the earth is_________

3 / 77

Ultraviolet radiations can cause___________

4 / 77

The percentage by volume of nitrogen in dry gas is_______

5 / 77

Which is not a characteristic of SO2

6 / 77

The process by which atmospheric nitrogen is turned into nitrates in the soil is called_______

7 / 77

The recombination of O and O2 in mid stratosphere is an_______

8 / 77

Which of the following is a poisonous gas?

9 / 77

Which of the following can be used as a fuel?

10 / 77

Acid rain affects the aquatic life by clogging fish gills because of__________

11 / 77

The percentage of sunlight absorbed by atmospheric gases is_________

12 / 77

Incinerator reduces solid waste into__________

13 / 77

How many Natural Systems Are Exist on our Earth?

14 / 77

Which factor determines the severity of a pollutant?

15 / 77

Ozone is an allotropic form of____________

16 / 77

Which one of the following is not an air pollutant?

17 / 77

Which gas is emitted due to volcanic eruption?

  • CO2
  • SO2
  • NO2
  • H2

Which Option is Correct?

18 / 77

Which one of these pollutants are not found in car exhaust fumes?

  • CO
  • O3
  • NO2
  • SO2

(Select Correct Option)

19 / 77

Which of the following is a secondary pollutant?

20 / 77

High concentration of which metal clogs the fish gills.

21 / 77

Which gas is also known as life gas for plants?

  • CO
  • O2
  • CO2
  • NO2

Which Option is Correct?

22 / 77

Which is not a poisonous gas?

23 / 77

The region of ozone decomposition in stratosphere is_______

24 / 77

The region in which ozone layer depletes is called___________

25 / 77

Effects of ozone depletion are following except the one_____

26 / 77

Atmosphere has ___________regions.

27 / 77

The gas used by animals to perform respiration is ________

  • O2
  • N2
  • SO2
  • Cl2

Select Correct Option

28 / 77

Higher concentration of CO causes__________

29 / 77

Just above the Earth surface is called __________

30 / 77

Fossil fuel means __________

31 / 77

Mesosphere has a temperature range__________

32 / 77

Ozone is beneficial for us as it_________

33 / 77

Which is not an air pollutant?

  • CO2
  • SO2
  • CO
  • NH3

Which Option is Correct?

34 / 77

By the increase in the concentration of CO2 in air there is __________

35 / 77

The percentage of SO2 released by the combustion of coal and petroleum product_____

36 / 77

Which is not a part of flue gas?

37 / 77

The gas used by plants to perform photosynthesis is ________

  • O2
  • CO2
  • N2
  • CO

Which Option is Correct?

38 / 77

Infrared radiations emitted by the Earth are absorbed by___________

  • CO2 and H2O
  • N2 and O2
  • CO2 and N2
  • O2 and CO2

Select Correct Option

39 / 77

Which pollutant is responsible for changing weather?

40 / 77

At which region all weather occurs?

41 / 77

Depending upon temperature: variation, atmosphere is divided into how many regions?

42 / 77

Major portion of ozone layer is found in__________

43 / 77

Buildings are being damaged by acid rain because it attacks_________

44 / 77

Which gas is in involved in ozone depletion?

45 / 77

The pH of acid rain is___________

46 / 77

Which is the major effect of global warming?

47 / 77

Global warming causes rising of the sea level. The cause of global warming is_______

  • CO2 gas
  • SO2 gas
  • NOx gases
  • O3 gases

(Select Correct Option)

48 / 77

Ozone depletion was first noticed in ___________

49 / 77

Which one of the followings is not a greenhouse Effect?

50 / 77

Almost all air crafts fly in which region?

51 / 77

Normally rain water is weakly acidic because of____________

  • SO3 gas
  • CO2 gas
  • SO2 gas
  • NO2 gas

(Select Correct Option)

52 / 77

Ozone layer is not found in__________

53 / 77

Forest fires and burning of wood emit_________

  • CO2
  • NO2
  • SO2
  • Cl2

which Option is Correct?

54 / 77

Which gas is responsible in warming the atmosphere?

55 / 77

The greenhouse effect is proportional to the amount of which gas in air?

  • CO2
  • O2
  • N2
  • All of these

Which Option is Correct

56 / 77

Carbon monoxide is harmful to us because______________

57 / 77

The range of temperature in burning solid waste burning in incinerators is_______

58 / 77

99% of atmosphere consists of___________

  • N2 and H2
  • N2 and O2
  • N2 and CO2            
  • O2 and CO2

Select Correct Option

59 / 77

The solid particle deposit on the filter paper during filtration is called______

60 / 77

Catalytic converters convert_____________

  • CO to CO2
  • N2 to NO
  • CO2 to CO
  • N2 to NO2

Which Option is Correct?

61 / 77

Which gas protects the Earth’s surface from ultraviolet radiations?

  • CO2
  • CO
  • N2
  • O3

Select Correct Option

62 / 77

Which gas acts as a glass wall of a green house?

63 / 77

Iron and steel structure are damaged by___________

64 / 77

The Earth’s atmosphere is getting hotter because of____________

65 / 77

A group of gases that maintains temperature of atmosphere are __________

66 / 77

Thermosphere lies beyond__________

67 / 77

A pollutant is a waste material that pollutes_____________

68 / 77

Which gas is the major constituent of troposphere?

69 / 77

The pH of water containing CO2 is_____

70 / 77

The smell of photocopies machine is due to the presence of_________

71 / 77

The envelope of different gases around the earth is called___________

72 / 77

In the bacterial decay, the compounds of which element are emitted____________

73 / 77

The waste products driven out because of the combustion of fossil fuels ________

74 / 77

Which gas is produced by the electrical lightening of air?

  • NO
  • SO2
  • SO3
  • CO2

Select Correct Option

75 / 77

Global warming is because of_____________

76 / 77

About 99% atmosphere mass lies within_________

77 / 77

Ozone has a smell like _________

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MCQs in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 14, Chemistry class 10 chapter 12 pdf, Chemistry class 10 chapter-14 short questions, Chemistry class 10 chapter-14 solved exercise pdf, Chemistry Notes for Class 10 Chapter-14, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-13

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Here are important MCQs for Chemistry Notes for Class 10, Chapter 13

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Chemistry Ch#13, 10th Class

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1 / 121

On hydrolysis sucrose produces one unit of glucose and one unit of__________

2 / 121

Dextrose solution contain_________ calories of energy.

3 / 121

Esters of butanoic acids have ________ smell.

4 / 121

DNA structure was discovered in __________

5 / 121

Human body uses carbohydrates in the form of_________

6 / 121

Solomon and Wales oil is used as __________

7 / 121

Vitamin C is also called________

8 / 121

Which of the following is tasteless?

9 / 121

Glucose and fructose are_________

10 / 121

Which one of the following is a fat-soluble vitamin?

11 / 121

Carbohydrates are synthesized by plants through______

12 / 121

________is responsible for the transmission of genetic information.

13 / 121

Which is the natural sugar found in starchy foods?

14 / 121

The energy provided by carbohydrates in per gram ______

15 / 121

Which is the essential sugar found in milk?

16 / 121

Which helps to keep the bowel functioning properly?

17 / 121

RNA act role as _________

18 / 121

Which one of the following are amorphous solids?

19 / 121

Disease of deficiency of vitamin A is_______

20 / 121

The important mono-saccharides is ______

21 / 121

Ethyl butanoate smells like__________

22 / 121

Fat soluble vitamins are ______

23 / 121

Carbohydrates are synthesized by plants through photosynthesis process which requires the following except__________

24 / 121

Triglycerides are fatty acids____________

25 / 121

Fats and oils are _________ foods.

26 / 121

Monosaccharides consists of number of carbon atoms_______

27 / 121

Amino acids are __________ of protein.

28 / 121

Which is not a reducing sugar?

29 / 121

Which one is found in bones?

30 / 121

Deficiency of vitamin D cause __________

31 / 121

The most important disaccharide is__________

32 / 121

Which one of the following statements about glucose and sucrose is incorrect?

33 / 121

Protein is not found in____________

34 / 121

Which one of the following vitamins is water soluble?

35 / 121

Which is a hereditary material?

36 / 121

Which helps in lowering of cholesterol level?

37 / 121

Synthesis of protein is directed by____________

38 / 121

Funk discovered vitamin _________

39 / 121

White viscous fluid (albumen) present in an egg is______________

40 / 121

Rancid butter has________________

41 / 121

Lipids are macromolecules. They have characteristics except one of the following_________

42 / 121

Source of simple sugar is_________

43 / 121

Carbohydrates are ________ in water.

44 / 121

50% dextrose contains approximate amount of energy_________

45 / 121

Which carbohydrate is used directly by muscles for energy?

46 / 121

Energy provided by carbohydrate is __________

47 / 121

Monosaccharides cannot be _________

48 / 121

The source of galactose_________

49 / 121

Smell of rancid butter is due to the presence of_______________

50 / 121

Starch is commonly found in____________

51 / 121

Vitamins are accessory Growth factors they play important role in our body like_____

52 / 121

General formula of carbohydrate is_________

  • Cn(H2O)n
  • CH
  • CnH2n
  • CnH2nO

(Select Correct Option)

53 / 121

Tetra-saccharides are classified under__________

54 / 121

Low sugar level in human body results in______________

55 / 121

The accumulation of which vitamin causes bone like deposits in the kidney?

56 / 121

Vitamin B, was discovered by__________

57 / 121

Maltose is commonly found in_________

58 / 121

Amino acids are linked with each other through________

59 / 121

Thousands of amino acids polymerize to form__________

60 / 121

Methyl butanoate smell like_______

61 / 121

The nature of enzyme is____________

62 / 121

Denaturing of protein is caused by______________

63 / 121

Carbohydrates are__________

64 / 121

When bones are heated, they give____________

65 / 121

Lipids are macromolecules made up of____________

66 / 121

Carbohydrates are molecule_______

67 / 121

Marine source of oil is _______

68 / 121

___________is essential component living cells.

69 / 121

___________ is synthesizes by Plants.

70 / 121

Out of twenty how many amino acids can by synthesized by human body?

71 / 121

Accessories growth factors later named vitamins by________

72 / 121

Carbohydrates regulate the amount of _________ in our body.

73 / 121

Margarine is produced by adding ___________ to vegetable oil.

74 / 121

Percentage of protein in dry weight of cell is _________

75 / 121

Fructose contain group__________

76 / 121

Night blindness is because of deficiency of ________

77 / 121

Butter and fats are obtained from_________

78 / 121

Chemical formula of Stearic acid__________

  • C15H31COOH
  • C17H35COOH
  • C17H37COOH
  • None of these

Select Correct Option

79 / 121

DNA was discovered by__________

80 / 121

Glucose is_____________

81 / 121

Vitamins were discovered in________

82 / 121

Carbohydrates are synthesized by plants through_________

83 / 121

Which of the followings is a disaccharide?

84 / 121

Chemical formula of amino group is___________

  • NH3
  • NH
  • NH4+
  • COOH

(Select Correct Option)

85 / 121

Enzymes are proteins which have the following properties except___________

86 / 121

Which one of the following is a reducing sugar?

87 / 121

Photosynthesis process produces______

88 / 121

Amino acids are the building blocks of_________

89 / 121

Deficiency of Vitamin E causes_________

90 / 121

___________ is an example of pure cellular.

91 / 121

A bond formed between two amino acids is____________

92 / 121

The percentage of protein in dry weight of cell_______

93 / 121

Maltose a disaccharide of two molecules________

94 / 121

Ethyl butanoate smells like__________

95 / 121

Polysaccharides is _______solid.

96 / 121

Nucleic acids are made up of long chain of___________

97 / 121

The glucose is further polymerized to form_________

98 / 121

___________is a poor conductor

99 / 121

Which one of the following cannot be hydrolyzed?

100 / 121

RNA stands for _________

101 / 121

The most important oligosaccharide is____________

102 / 121

Oils and fats are esters of large chain fatty acids with__________

103 / 121

Mono-saccharides are ________sugars.

104 / 121

When glucose and fructose combine, they produce_________

105 / 121

Lipids are made of ___________

106 / 121

In hydrogenation of vegetable oil catalyst employed is________

107 / 121

Nature of polysaccharides is__________

108 / 121

Which one is a proteins?

109 / 121

Which one of the following is not the characteristics of monosaccharide?

110 / 121

RNA consists of_________

111 / 121

Oil exists in form of___________

112 / 121

Monosaccharides are crystalline solids________

113 / 121

Which of the followings is a triglyceride?

114 / 121

Gelatin is used in ________

115 / 121

The organic compound used as drugs to control bleeding are__________

116 / 121

Proteins are essential for the formation of________

117 / 121

Margarine is produced by adding hydrogen to vegetable oil at___________

118 / 121

Carbohydrates is directly used by__________

119 / 121

Eggs, Oils and fats contain vitamin_____________

120 / 121

Starch is found in____________

121 / 121

Fats exists in_________

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MCQs in PDF Format

 

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Short Questions in PDF Format

 

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Long Questions in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 13, Chemistry class 10 chapter 13 pdf, Chemistry class 10 chapter-13 short questions, Chemistry class 10 chapter-13 solved exercise pdf, Chemistry Notes for Class 10 Chapter-13, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, then all the solution of your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-12

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Here are important MCQs for Chemistry Notes for Class 10, Chapter 12

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Chemistry Ch#12, 10th Class

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1 / 96

The molecular formulae of the first three members of the alkane hydrocarbons are CH4, C2H6 and C3H8. What is the molecular formula for the eighth alkane member, octane, which is found in petrol?

  • C8H8
  • C8H16
  • C8H18
  • C8H20

Which Option is Correct ?

2 / 96

The density of alkane increases with the increase of _________

3 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

4 / 96

Which of the following is not an example of open chain hydrocarbon?

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

5 / 96

Chloroform is used for__________

6 / 96

Glyoxal is oxidize into_________

7 / 96

Dehalogenation of tetrahalides produces acetylene. This reaction takes place in the presence of___

8 / 96

Halogenation of alkanes in the presence of diffused sunlight takes place ________

9 / 96

Alkenes are insoluble in___________

10 / 96

Which of the following is not a function of chloroform?

11 / 96

Ethylene oxide is used as _________

12 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

13 / 96

Which one of the following is a substitution reaction?

14 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

15 / 96

Alkenes are prepared from alcohols by a process called_________

16 / 96

Oxidation of alkenes produce______

17 / 96

A hydrocarbon has molecular formula C8H14. What is the molecular formula of the next member of the same homologous series.

  • C9H18
  • C9H16
  • C9H20
  • C9H12

Which Option is Correct?

18 / 96

Due to which property alkane are used as fuel___________

19 / 96

Amorphous forms of carbons are______

20 / 96

Alkanes give reaction only _____

21 / 96

Benzene is formed by the polymerization of_______________

22 / 96

Alkanes are least reactive compounds because they are____________

23 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

24 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

25 / 96

Number of bonds in propene is ______________

26 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

27 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

28 / 96

Oxidation of ethene with KMnO4 produces______

29 / 96

The example of rubbers is ________

30 / 96

Which is used as Anti-freezer?

31 / 96

Ethylene is present in natural gas sometimes to the extent of________

32 / 96

Alkyne forms____________

33 / 96

Which of the following is not alcohol?

  • C2H5OH
  • C3H7OH
  • CH3OH
  • Ca(OH)2

Select Correct Option

34 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

35 / 96

The end product of oxidation of acetylene is_______

36 / 96

Banaspati Ghee is also called______

37 / 96

Which one of the following is a substitution reaction?

38 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

39 / 96

Traces of acetylene are present in coal gas about ___________

40 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

41 / 96

Incomplete combustion of alkanes produces __________

42 / 96

The compound having at least one benzene ring are called________

43 / 96

Which of the following property is not present in hydrocarbons?

44 / 96

Those Hydrocarbons having high molecular mass are___________

45 / 96

Carbon has valency_______

46 / 96

Ethene reacts with H2SO4 at temperature of_________

47 / 96

Which of the following is not a hydrocarbon?

  • Methane (CH4)
  • Ethane(C2H6)
  • Water (H2O)
  • Ethyne (C2H2)

Which Option is Correct ?

48 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

49 / 96

In shoe polishes, which chemical is used?

50 / 96

Which of the following is a synthetic fiber?

51 / 96

Di-methy acetylene is also called___________

52 / 96

Which is present 85% in natural gas?

53 / 96

Carbon black is used in the manufacture of_______

54 / 96

Dehydrohalogenation takes place in the presence of_____________

55 / 96

Methane is also called ______

56 / 96

If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one_________

57 / 96

The Hydrocarbons having double bond are called _________

58 / 96

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

  • CH4
  • C10H20
  • C2H4
  • C2H2

(Which Option is Correct)

59 / 96

paraffins means________

60 / 96

A solution of bromine in water having colour________

61 / 96

Which one of the following is more reactive?

62 / 96

Alkanes having carbon range in liquid like ______

  • C4 to C6
  • C7 to C10
  • C8 to C10
  • Both C4 to C6 & C7 to C10

Select Correct Option

63 / 96

Substitution reaction is the characteristics of__________

64 / 96

Traces of acetylene are present in coal gas about_________

65 / 96

Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of_____

66 / 96

Alkynes being more reactive than __________

67 / 96

Due to increase in molar mass which property increases?

68 / 96

Which is the characteristics property of alkanes?

69 / 96

Some orchids attract bees for pollination by producing_________

70 / 96

Incomplete combustion of alkanes produces________

71 / 96

Number of bonds present in methane________

72 / 96

Dehydration means removal of__________

73 / 96

Alkanes do not react in__________

74 / 96

The reduction of alkyl halides takes place in the presence of___________

75 / 96

Carbon tetra chloride is used in_______

76 / 96

Alcohol is soluble in water due to ________

77 / 96

What is the most necessary condition for the reaction of CH4 with halogen?

78 / 96

Which compound is used for welding process?

79 / 96

One of the hydrocarbons reacts with one mole of hydrogen to form a saturated hydrocarbon. What formula could be of the X.

  • C3H8
  • C6H12
  • C4H10
  • C7H16

Which Option is Correct?

80 / 96

Banana when ripped produces gas________

81 / 96

The alkanes consisting of C5 to C10 are__________

82 / 96

Detergents are the sodium salts of__________

83 / 96

Which of the following has higher energy?

84 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

85 / 96

In dry cleaning, which chemical is used?

86 / 96

Alkanes are also called ________

87 / 96

Halogenation of methane produces following valuable chemical compounds used as solvents except_______

88 / 96

Alkenes are produced in large amounts by cracking of_________

89 / 96

Which of the following gas is used in warfare?

90 / 96

The order of reactivity of hydrogen halides with alkenes is__________

91 / 96

Alkenes is also called ______

92 / 96

The general formula of alkynes is_________

  • CnH2n
  • CnH2n+2
  • CnH2n-2
  • CnH2n+1

Which Option is Correct ?

93 / 96

Addition of hydrogen is called _________

94 / 96

Formula of nascent hydrogen is_______

95 / 96

Which of the following does not occur free in nature?

96 / 96

Methane forms natural gas about___________

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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 12, Chemistry class 10 chapter 12 pdf, Chemistry class 10 chapter-12 short questions, Chemistry class 10 chapter-12 solved exercise pdf, Chemistry Notes for Class 10 Chapter-12, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2021 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-11

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Here are important MCQs for Chemistry Notes for Class-10, Chapter#11

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1 / 95

Which one is used as reducing agent_________

2 / 95

Who was discarded vital force theory?

3 / 95

Which one provide inert atmosphere in metallurgy process?

4 / 95

Which one of the following is not a fossil fuel?

5 / 95

CH3-O-CH3 is called_______

6 / 95

Coal gas is the mixture of______

7 / 95

Coal is consisting of ________types.

8 / 95

The % age of carbon is lignite is___________

9 / 95

Inorganic compounds are obtained from_________

10 / 95

Homologous series have same_________

11 / 95

The removal of terminal hydrogen from the straight chain of propane is called _____

12 / 95

Functional group containing carbon, hydrogen and halogens are__________

13 / 95

The branch of Chemistry which deals with hydro carbons and their derivatives are called______

14 / 95

The Characteristic of carboxylic acid are due to the presence of group in them_______

15 / 95

The % age of carbon in bituminous is __________

16 / 95

Dead plants produce all of these products except_______

17 / 95

The % age of carbon in coke is_________

18 / 95

Who put forward the vital force theory?

19 / 95

Condensed form of propane is________

  • H3CCH3
  • H3C(CH2)2CH3
  • H3CCH2CH3
  • CH4

(Select Correct Option)

20 / 95

The main component of natural gas is___________

21 / 95

Which one is homocyclic compound?

22 / 95

The general formula of alkane is ________

  • CnH2n+2
  • CnH2n-2
  • CnH2n
  • CnH2n+1

(Select Correct Answer)

23 / 95

In laboratory urea was prepared by_______

24 / 95

The ability of carbon atoms to form chains is called_____

25 / 95

Which one of the following does not contain starch _________

26 / 95

Vitamins are found in____________

27 / 95

The strong heating of coal in the absence of air is called__________

28 / 95

Which one contains double bond?

29 / 95

The % age of carbon in peat is____________

30 / 95

Functional group C-O-C is found in__________

31 / 95

Alkanes are also called__________

32 / 95

Coal tar contains compounds_____

33 / 95

Organic compounds have_________

34 / 95

Petroleum is refined by_________

35 / 95

Organic compound consisting of “RCOOR” functional group is called_______

36 / 95

The 1st organic compound prepared in laboratory.

37 / 95

Name the gas which is not found in coal gas_______

38 / 95

Which type of coal is used as house hold coal________

39 / 95

General formula of alkyl radical is_______

  • CnH2n+2
  • CnH2n-2
  • CnH2n+1
  • CnH2n

(Select Correct Option)

40 / 95

The molecular formula of pentane is_______

  • CH4
  • C3H3
  • C5H12 
  • C4H10

(Select Correct Option)

41 / 95

How many Carbons are present in Heptanes?

42 / 95

Coal having 90% carbon contents is called_______

43 / 95

Alkyle Radical is represented as_______

44 / 95

Functional group containing — NH2 are called________

45 / 95

How many types of formula of organic compound?

46 / 95

A benzene ring is made of carbon atoms_______

47 / 95

Which one contains double covalent bond?

48 / 95

Paraffin’s means___________

49 / 95

Coal tar is a mixture of more than organic compounds_______

50 / 95

Main component of natural gas is______

51 / 95

Which one of the following does not contain protein?

52 / 95

Which one is soft coal__________

53 / 95

Carbonization process is the conversion of__________

54 / 95

The vital force theory suffered rejection in__________

55 / 95

Which one contains triple covalent bond?

56 / 95

      |      |      |      |
-- C -- C-- C-- C--             is a
     |      |      |      |

57 / 95

The chemical formula of octane is_________

  • C5H12
  • C3H8
  • C2H6
  • C8H18

(Which Option is Correct)

58 / 95

Alkyl radical is derivative of__________

59 / 95

The strong heating of coal in the absence of air is called______

60 / 95

Esters are recognized by their________

61 / 95

Natural gas is 85% methane. It is used to make the following except_______

62 / 95

Perfumes may also contains_________

63 / 95

Natural gas is used to make_________

64 / 95

Which one of the following is the hardest coal?

65 / 95

In which of the following groups, oxygen is attached on both sides with carbon atoms?

66 / 95

The % age of carbon in coal is_________

67 / 95

Which of the following are derived from alkanes?

68 / 95

Molecular formula of butane is________

  • C4H10
  • C5H5
  • C4H8
  • C4H6

(Select Correct Option)

69 / 95

The basic unit of carbohydrates is_________

70 / 95

Coal gas is a mixture of_______________

  • CO & CH4
  • CO, CH4 & CO2
  • CO, CH4 & H2             
  • CO, H2 & CO2

(Select Correct Option)

71 / 95

Which one is main source of organic compound?

72 / 95

Silicon occurs in the form of _________

73 / 95

Who was prepared acetic acid in laboratory?

74 / 95

The functional group -COOH is found in_______

75 / 95

Which of the following formula of a compound represents the exact arrangement of the different atoms of various elements present in a molecule of a substance?

76 / 95

Natural gas contains_________

77 / 95

The formula which represents the actual number of atoms in one molecule of organic compound is called __________

78 / 95

Which one of the following compounds is an aldehyde?

  • CH3 – CH2 – OH
  • CH3 – COOH
  • CH3CHO
  • CH3COCH3

(Which Option is Correct)

79 / 95

Coal is blackish complex mixture of compounds of________

80 / 95

Pitch is black residue of__________

81 / 95

C-C bond is stronger than_____

82 / 95

Which one of the following statements is not true about fossil fuels?

83 / 95

Conversion of dead plants into coal by the action of bacteria and heat is called_____

84 / 95

Identify which one of the following compounds is a ketone?

  • (CH3)2CHOH
  • (CH3)2CHCl
  • (CH3)2CO
  • (CH3)2CHCI

(Which Option is Correct)

85 / 95

Organic compounds are soluble in_________

86 / 95

Geraniol consists of functional group_________

87 / 95

___________ represents group of atoms joined together to each carbon atom.

88 / 95

Which one is heterocyclic compound?

89 / 95

Number of isomers increases with increase in number of ________ atoms.

90 / 95

Which one contains triple bond?

91 / 95

Formula which represents the actual number of atoms in one molecule of organic compound is______________

92 / 95

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as________

93 / 95

Conversion of wood into coal is called ________

94 / 95

Functional group —OH is found.in___________

95 / 95

Which one of the following is a synthetic fiber?

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B16:32:07 Jun 05, 202344%
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n22:50:31 Feb 14, 202361%
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Abdul majeed08:28:26 Aug 27, 20228%
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Rijab10:16:52 Jun 28, 202260%
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Jahanzeib Khan20:24:45 May 25, 20220%
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Short Questions in PDF Format

 

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Long Questions in PDF Format

 

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Chemistry Notes, Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 11, Chemistry class 10 chapter 11 pdf, Chemistry class 10 chapter-11 short questions, Chemistry class 10 chapter-11 solved exercise pdf, Chemistry Notes for Class 10 Chapter-11, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, adamjee notes for class 10 chemistry, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-10

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Acids, Bases & Salts:

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Here are important MCQs for Chemistry Notes for Class-10, chapter#10

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Chemistry Ch#010, 10th Class

Here MCQs for your Revision

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1 / 72

Lavoisier named binary compounds of oxygen acids in_______

2 / 72

Which is used to manufacture of soap?

  • NaOH
  • Ca(OH)2
  • KOH
  • Mg(OH)2

Select Correct Option.

3 / 72

When acid reacts with sulphites and bisulphites which gas is evolved?

  • H2
  • CO2
  • SO2
  • NH3

The Correct Option is ____________

4 / 72

Citric acid is present in ___________

5 / 72

If a liquid has a pH of 7 then it must ________________

6 / 72

Basic solutions have pH value__________

7 / 72

Acetic acid is a weak acid because it _______________

8 / 72

Word “Acidus” means__________

9 / 72

A substance which can behave as an acid as well as a base is called ___________

10 / 72

Jabir Bin Haiyan prepared ____________

11 / 72

Which one is Lewis base?

  • NH3
  • R-NH2
  • ROH
  • All of these

Select One Option.

12 / 72

A base is a substance which neutralizes an acid. Which of these substances is not a base?

13 / 72

Which one is not an Arrhenius base?

  • NaOH
  • KOH
  • Ca(OH)2
  • NH3

Which Option is Correct ?

14 / 72

Which one is mineral acid?

  • HCl
  • H2SO4
  • HNO3
  • All of these

Select Correct Option.

15 / 72

According to the Lewis concept, acid is a substance which can _______

16 / 72

Phenolphthalein produces red color in ___________

17 / 72

The water of crystallization is responsible for the ___________

18 / 72

Indicators are the ___________

19 / 72

A conjugate base is a specie formed by donating a ___________

20 / 72

Arrhenius presented his concept about acids and bases in________

21 / 72

Acidic solutions have pH value _______

22 / 72

The product of any Lewis acid base reaction is a single specie called _________

23 / 72

When acids react with metals which gas is evolved?

  • H2
  • O2
  • Cl2
  • N2

Select any One Option.

24 / 72

According to Lewis concept a base is a substance which can donate ________

25 / 72

Alkalis react with ammonium salt to liberate_______

  • SO2
  • CO2
  • NH3
  • H2

Which Option is Correct?

26 / 72

pH of neutral solution is always ________

27 / 72

Which is used as foaming agent in fire extinguishers?

  • NaOH
  • KOH
  • Al(OH)3
  • NH4OH

Select Correct Option.

28 / 72

Who proved that the presence of hydrogen as the main constituent of all acids?

29 / 72

According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give______

30 / 72

Give Kw = (H+] [OH-] = 1.0 x 10-14 at 25°C what is the concentration of H+ in pure water at 25°C?

  • 1 x 10-7 mol dm-3
  • 1 x 107 mol dm-3
  • 1x 10-14 mol dm-3
  • 1 x 1014 mol dm-3

Select Correct Answer ?

31 / 72

Which is used for cleaning agent for domestic and commercial purpose?

  • NaCl
  • Na2CO3
  • NaHCO3
  • Na2SiO3

Select Correct Option

32 / 72

Which is used to remove the grease stains from clothes?

  • NaOH
  • KOH
  • Al(OH)3
  • NH4OH

Which Option is suitable?

33 / 72

Stearic acid present in______________

34 / 72

Which one is used for alkaline batteries?

  • NaOH
  • Ca(OH)2
  • KOH
  • Mg(OH)2

Which Option is Correct?

35 / 72

Select Correction Option

36 / 72

pH value normally varies from_________

37 / 72

Which one is Lewis acid?

  • BF3
  • AIC3
  • FeCl3
  • All of these

Which Option is Correct ?

38 / 72

Select one Option

39 / 72

The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is_________

40 / 72

Which one of the following species is not amphoteric?

  • H2O
  • NH3
  • HCO3
  • SO4

Which Option is Correct?

41 / 72

According to Lewis concept an acid is a substance which can accept ________

42 / 72

All acids turn blue litmus into _____________

43 / 72

All bases turn red litmus into __________

44 / 72

Bronsted and Lowry presented their theories of acids and bases in _____________

45 / 72

Which acid is used an electrolyte in lead storage battery?

  • H2SO4
  • HNO3
  • HCl
  • CH3COOH

Which is Correct Option ?

46 / 72

A salt is not composed of ___________

47 / 72

Formic acid is present in _______________

48 / 72

What is the POH of a 0.02M Ca(OH)2?

49 / 72

Methyl orange produces colour in basic solution _____________

50 / 72

According to Bronsted and Lowry concept an acid is a substance that can donate ______

51 / 72

A conjugate acid is a specie formed by accepting a ________

52 / 72

 

Ferric hydroxide (Fe(OH)3) is precipitated out of solution when aqueous sodium hydroxide solution is added to ferric chloride (FeCl3)

FeCl3 +3Na0H    —>Fe(OH)3 +3NaCl

in this process color of the precipitate is _____________

53 / 72

Maltic acid is present in _________

54 / 72

Which salt is used for the manufacture of detergents, pulp and paper?

  • NaCl
  • Na2CO3
  • Na2SiO3
  • NaCl

Which Option is Correct?

55 / 72

When acids react with carbonates and bicarbonates which gas is evolved?

  • H2
  • CO2
  • Cl2
  • N2

The Correct Option is ________

56 / 72

Uric acid is present in__________

57 / 72

You want to dry a gas which one of the following salt you will use?

  • CaCl2
  • NaCl
  • CaO
  • Na2SiO3

Select Correct Answer ?

58 / 72

According to Bronsted and Lowry concept a base is a substance that can accept ________

59 / 72

A salt always _________________

60 / 72

A reaction between an acid and a base produce___________

61 / 72

Lewis acid-base concept have the following characteristics except______

62 / 72

In the preparation of insoluble salts, which one of the facts is incorrect?

63 / 72

Which acid is used for etching designs on copper plates?

  • H2SO4
  • HNO3
  • HCl
  • CH3COOH

Which Option is Correct ?

64 / 72

Which one of the following is a Lewis base?

  • NH3
  • BF3
  • H+
  • AICI3

Select one Option

65 / 72

Which salt is used as a table salt?

  • NaCl
  • Na2CO3
  • Na2SiO3
  • NaCl

Select One Option.

66 / 72

Dilute acids react with carbonates to produce the given products except _______

67 / 72

Which one is not an Arrhenius acid?

  • HCl
  • H2SO4
  • CO2
  • HNO3

Select One Option.

68 / 72

Which acid is present in our stomach?

69 / 72

Butyric acid is present in ____________

70 / 72

Which acid is used for food preservation?

  • H2SO4
  • HNO3
  • HCl
  • CH3COOH

Select one Option which is Correct?

71 / 72

The value of constant of ionic product of water Kw at 25°C is _________

  • 1.0x10-4
  • 1.0x1014
  • 1.0 x107
  • 1.0x10-7

which Value is Correct?

72 / 72

The word acid is derived from thy_________

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Chemistry Notes, Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

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Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-9

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Here are important MCQs for Chemistry Notes for Class 10, Chapter 9 (Chap-01)

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Chemistry Ch#09, 10th Class

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1 / 89

In direction of a reaction, reaction proceeds forward then______________

2 / 89

Reverse reaction take place from____________

3 / 89

There are ___________possibilities of predicting extent of reaction.

4 / 89

Reverse reactions gradually ______________

5 / 89

The lives of aquatic animals and plants are indirectly related to concentration of ___________ dissolved in water.

6 / 89

At dynamic equilibrium__________

7 / 89

When CaO reacts with CO2 they produce_________

  • CaCO3
  • CaCO2
  • Both CaCO3 & CaCO2
  • None of these

Which Option is Correct?

8 / 89

When H2 and O2 combine they form__________

  • H2O
  • H and O
  • HO2
  • None of these

Select Correct Option?

9 / 89

By knowing the value of equilibrium constant ____________can be predicted.

10 / 89

Rate of forward reactions takes place at the rate of reverse reaction, the composition of the reaction mixture remains constant is called ____________

11 / 89

Nitrogen and hydrogen were reacted together to make ammonia N2 + 3H2 —> 2NH3 where Kc=2.86mol-2 dm6, what will be present in the equilibrium mixture?

  • NH3 only
  • N2, H2 and NH3
  • N2 and H2 only
  • H2 only

Which Option is Correct ?

12 / 89

The characteristics of inversible reaction are the following except_____________

13 / 89

At equilibrium the rate of forward and reverse reaction becomes_____

14 / 89

Which type of reactions speed up gradually?

15 / 89

Which type of reactions take place in both directions?

16 / 89

The %age of nitrogen and oxygen in our atmosphere is_________

17 / 89

Which is the king of chemicals?

18 / 89

The forward reaction takes place__________

19 / 89

When the magnitude of Kc is very large it indicates___________

20 / 89

Point out the co efficient in the following hypothetical reaction

2A+3 D   —>   4C+8D

21 / 89

The units of molar concentration_____________

  • Mol dm-2
  • mol dm-1
  • mol dm
  • mol dm-3

Which Option is Correct ?

22 / 89

In an irreversible reaction dynamic equilibrium ______

23 / 89

Which gas is used to prepare ammonia?

  • N2
  • O2
  • Cl2               
  • S

Which Option is Correct ?

24 / 89

The reaction in which all the reactants have been converted into products are known as__________

25 / 89

Sulphur dioxide is used to manufacture_____________

26 / 89

Which type of reactions do not go to completion?

27 / 89

The Name of the scientist who presented law of mass action is ______________

28 / 89

The reaction in which the products do not recombine to form reactants are called____________

29 / 89

Equilibrium constant value “Kc” is equal to__________

30 / 89

In direction of a reaction, reaction is at equilibrium then_____________

31 / 89

Forward reaction takes place from______________

32 / 89

Ammonia gas is used to manufacture__________

33 / 89

When the reaction ceases to proceed, it is called_________

34 / 89

At initial stage the rate of forward reaction is______________

35 / 89

In the lime kiln, the reaction CaCO3(g) —> CaO(g) + CO2(g) goes to completion because____

  • Of high temperature
  • CaO is more stable then CaCO3
  • CO2 escapes continuously
  • CaO is not dissociated

Which Option is Correct

36 / 89

Gases are being used to manufacture____________

37 / 89

Numerical value of Kc predicts_____________

38 / 89

The ratio of product concentration of products raised to power of co-efficient to the products of reactant raised to the power co-efficient is known as_________

39 / 89

Equilibrium Constant has no unit when number of moles of reactants and products are_____

40 / 89

In a chemical reaction, the substance that combine are called ________

41 / 89

An equilibrium is achievable only in ___________________

42 / 89

When a system is at equilibrium states?

43 / 89

Irreversible reaction consists of_________

44 / 89

In the beginning, the reverse reactions are ________

45 / 89

Reaction quotient is expressed as_____________

46 / 89

Irreversible reaction represented by a ____________ between a reactant and a product.

47 / 89

For the reactions H2 + I2 —> 2HI, the reactions quotients for this reaction is___________

48 / 89

At equilibrium state the physical properties like density, color etc. are _____________

49 / 89

Which Option is Correct

50 / 89

For a reaction between PCI3 and Cl2 to form PCI5, the units of Kc are______________

  • Mol dm-3
  • mol-1 dm-3
  • mol-1dm3
  • mol dm3

Which Option is Correct ?

51 / 89

There are ____________ characteristics of dynamic Equilibrium.

52 / 89

Name the reactants in this equation

2H2 +O2   —> 2H2O

  • H2O
  • H2 & O2
  • O2
  • None of these

Select One Options

53 / 89

When the rate of the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixture remains constant it is called_________

54 / 89

In direction of a reaction, reaction proceeds reverse then___________

55 / 89

A reverse reaction is one that_______

56 / 89

Reactions which have comparable amount of reactants and products at equilibrium state have_______

57 / 89

Which chemical is called king of chemicals?

  • KNO3
  • H2SO4
  • HCl
  • NHO3

Which Option is Correct ?

58 / 89

When H2 and I2 combine they form ____________

  • H2O
  • HI
  • I2
  • H2 & I2

which Option is Correct ?

59 / 89

The Color of hydrogen iodide is___________

60 / 89

Dynamic means, reaction is__________

61 / 89

The characteristics of reversible reactions are the following except____

62 / 89

There are ___________major components of atmosphere.

63 / 89

The color of iodine is______

64 / 89

When the magnitude of Kc is very small it indicates_____________

65 / 89

In chemical reactions the substances that combine are called _________

66 / 89

Many environmental systems depend for their_____________

67 / 89

The two major components of atmosphere are ____________

68 / 89

Nitrogen and oxygen gasses are being used to manufacture chemicals, since the advent of_____ century

69 / 89

Which one of the following statements is not correct about active mass?

70 / 89

Oxygen is used to prepare_______________

71 / 89

Guldburg and Waage’s put forward law of mas action in_______

72 / 89

There are ___________possibilities of predicting extent of reaction.

73 / 89

The oxidation of carbon monoxides goes to completion at _____________

74 / 89

The two major components of atmosphere are ___________

75 / 89

In extent of reaction, the reaction goes to completion have__________

76 / 89

The reaction quotient is useful because it predicts the direction of reaction by comparing the value of_______

77 / 89

Which gas is used to manufacture king of chemicals sulphuric Acid?

  • N2
  • O2
  • Cl2
  • S

Which Option is Correct ?

78 / 89

There are ___________ possibilities at equilibrium state.

79 / 89

Nitrogen is used to prepare _______________

80 / 89

As the numeric value of Qc (8.0) is less than Kc (57.0) then the reaction is not_____________

81 / 89

Nitrogen and oxygen constituents ________of the atmosphere

82 / 89

In extent of reaction, the reaction never goes to completion, which have____________

83 / 89

For reactions having large Kc Value, the reaction proceeds to _________

84 / 89

When a reaction ceases to proceed further, it is called_____________

85 / 89

An active mass is considered as the molar concentrations in units of__________

  • mol dm-3
  • mol-3 dm
  • mol-2 dm
  • mol-2 dm

Which Option is Correct ?

86 / 89

Reversible reactions take place in__________

87 / 89

Reaction in which reactants react to form products called__________

88 / 89

The reaction in which the products can recombine to form reactants are called______

89 / 89

Reversible reaction____________

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Miko15:16:12 Jan 22, 202570%
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ua23:31:31 Mar 31, 202473%
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Hh12:22:01 Jan 21, 202466%
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Pamu09:41:56 Jan 09, 202468%
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M.Ahsan00:54:09 Jan 03, 20240%
jkgas22:23:30 Jan 02, 20240%
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death21:49:28 Jan 02, 202416%
Shaheer21:44:21 Jan 02, 20240%
Hassan17:28:14 Jan 02, 202415%
Haider12:47:32 Jan 02, 202422%
Fatima10:41:52 Jan 02, 202460%
Mohsin18:48:41 Jan 01, 20240%
MK12:02:38 Dec 24, 202367%
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MAN13:36:31 Dec 12, 202384%
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ttyurruru15:16:36 Aug 29, 20236%
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H05:54:08 Jun 06, 202382%
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NOOR21:58:28 Oct 07, 202291%
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Arzoo21:26:22 Oct 07, 202259%
amber18:18:42 Oct 02, 20220%
Jjjj12:31:20 Oct 01, 202270%
Ariana00:13:23 Sep 29, 202267%
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Hajani21:21:59 Sep 26, 202246%
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mubeen khurram00:53:30 Sep 24, 202228%
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Samra16:35:06 Sep 18, 202267%
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Fhjr17:17:45 Jul 19, 20224%
Fatima16:01:02 Jun 30, 202279%
Princess11:17:07 Jun 29, 202228%
Abc10:54:51 Jun 26, 202215%
Biya01:56:06 Jun 16, 20221%
ayesha kanwal20:13:49 Jun 12, 20225%
Faizan23:28:24 May 15, 202225%
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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 01, Chemistry class 10 chapter 9 pdf, Chemistry class 10 chapter-9 short questions, Chemistry class 10 chapter-9 solved exercise pdf, Chemistry Notes for Class 10 Chapter-1, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, adamjee notes class 10 Chemistry 2022, adamjee notes for class 10 Chemistry, adamjee notes for class 10, adamjee notes, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

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