Chemistry Notes for class 10 Lahore board

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

Which organ ceases to function during Jaundice?

2 / 61

Sodium zeolite is naturally occurring reason of___________

3 / 61

Acute cadmium poisoning causes __________

4 / 61

Temporary hardness is due to the presence of bicarbonates of __________

5 / 61

The percentage of oceans in world water is _______

6 / 61

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

7 / 61

Which disease is caused by polluted water?

8 / 61

Water molecules show structure _________

9 / 61

Water which produces good lather with soap is called __________

10 / 61

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

11 / 61

Hard water can cause____________

12 / 61

Swimming pools are cleaned by the process________

13 / 61

Which of the following is soluble in water?

14 / 61

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

15 / 61

Which of the following salt is soluble in water?

16 / 61

Water dissolves non-ionic compound by ________

17 / 61

Which is not a heavy metal?

18 / 61

The removal of which ion causes water softening.

19 / 61

The percentage of water in human body is_____

20 / 61

Chemical form of gypsum___________

21 / 61

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

22 / 61

Which element do not cause toxicity in water?

23 / 61

Chemical formula of lime stone is _____________

24 / 61

Chemical formula of hypochlorous acid is __________

25 / 61

Which element protects teeth from decay?

26 / 61

Acute lead poisoning causes dysfunction of_____________

27 / 61

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

28 / 61

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

29 / 61

The freezing point of water is _____________

30 / 61

Example of pest is___________

31 / 61

The percentage of potable water on earth is____________

32 / 61

Inland water includes _________________

33 / 61

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

34 / 61

The boiling point of water is ____________

35 / 61

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

36 / 61

Permanent hardness is removed by adding__________

37 / 61

Water has a maximum density at __________

38 / 61

Temporary hardness in water can be removed by ___________

39 / 61

Temporary hardness is removed by adding _____________

40 / 61

Neurological damage is caused by the poisoning of__________

41 / 61

Hook worm larvae enter the body through __________

42 / 61

Gypsum in water is ____________

43 / 61

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

44 / 61

Calcium carbonate is in water _________

45 / 61

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

46 / 61

Specific heat capacity of water is _____________

47 / 61

Which of the following is insoluble in water?

48 / 61

Which one of the following diseases causes liver inflammation?

49 / 61

Soap is the sodium salt of long chain of _____________

50 / 61

Temporary hardness is because of______________

51 / 61

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

52 / 61

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

53 / 61

Which hepatitis is caused by contaminated water?

54 / 61

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

55 / 61

Industrial effluents are highly____________

56 / 61

Vibrious cholera causes _______

57 / 61

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

58 / 61

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

59 / 61

The heat capacity of water is _____________

60 / 61

Maximum density of water at 4°C is _______________

61 / 61

Hookworm infects ___________

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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

Ammonical brine is prepared by dissolving ammonia gas in ______

  • NaCl
  • CaCO3
  • CaCl2
  • Na2SO4

Which Option is Correct ?

2 / 53

The number of carbon atoms present in petroleum gas_______

3 / 53

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

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

Which Option is Correct ?

4 / 53

Crude oil is heated in fractionating furnace upto_________

5 / 53

Froth flotation process is used to concentrate the ore on________

6 / 53

The number of carbon atoms present in kerosene oil_______

7 / 53

Blast furnace usually used for the metallurgy of__________

8 / 53

When crude oil is heated in the fractionating tower__________

9 / 53

Which one is not metal?

10 / 53

Blonde hair contains compounds of____________

11 / 53

Froth flotation process is used to concentrate_________

12 / 53

Which one is not metal?

13 / 53

In Solvay’s process slaked lime is used to_________

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

Which Option is Correct?

14 / 53

Matte is a mixture of_____________

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

Which Option is Correct ?

15 / 53

In the bessemerization process__________

16 / 53

Which contains sufficient amount of metal?

17 / 53

Red hair contains compounds of____________

18 / 53

Concentration of the copper ore is carried out by___________

19 / 53

Which one of the ore of copper?

20 / 53

Sindh Alkalies Limited was established near Karachi in ___________

21 / 53

Concentration is a separating technique in which mineral is separated from___________

22 / 53

The number of carbon atoms present in gasoline or petrol________

23 / 53

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

24 / 53

Formula of baking soda is________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

25 / 53

Compounds of metals exist under earth crust are called_______

26 / 53

Raw materials used in Solvay process.

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

When NaHCO3 is heated it forms________

  • CO2
  • Ca(OH)2
  • CaCO3
  • CaO

Which Option is Correct ?

31 / 53

Concentration is a __________

32 / 53

The number of carbon atoms present in petroleum ether _________

33 / 53

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

34 / 53

The residual oil is heated above 400-C to produce___________

35 / 53

Which one of the following is used as jet fuel ?

36 / 53

How many % age of nitrogen in urea fertilizers?

37 / 53

The raw materials for the manufacturing of urea are ___________

38 / 53

Metallurgy involves which of the following steps?

39 / 53

The number of carbon atoms present in diesel oil______________

40 / 53

Brown hair contains___________

41 / 53

The number of carbon atoms present in fuel oil_______________

42 / 53

A saturated solution of sodium chloride is called _____________

43 / 53

How many % age of urea is used as fertilizers?

44 / 53

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

  • C2H4
  • C3H8
  • C7H10
  • C12H26

Which Option is Correct ?

45 / 53

Sodium carbonate is manufactured by___________

46 / 53

The elements that do not conduct heat and electricity are called_________

47 / 53

Formula of urea is__________

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

Which Option is Correct ?

48 / 53

Extraction of metals from its ores is called___________

49 / 53

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

50 / 53

Ammonia is prepared by the process__________

51 / 53

Formula of soda ash is___________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

52 / 53

The nitrogen present in urea is used by plants to synthesize_________

53 / 53

Imperial chemical industries (ICT) was established in_________

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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

 

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

 

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 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

Which pollutant is responsible for changing weather?

2 / 77

The region in which ozone layer depletes is called___________

3 / 77

Higher concentration of CO causes__________

4 / 77

The percentage of sunlight absorbed by atmospheric gases is_________

5 / 77

Which is not a characteristic of SO2

6 / 77

Which is not an air pollutant?

  • CO2
  • SO2
  • CO
  • NH3

Which Option is Correct?

7 / 77

Which gas is in involved in ozone depletion?

8 / 77

Almost all air crafts fly in which region?

9 / 77

Major portion of ozone layer is found in__________

10 / 77

High concentration of which metal clogs the fish gills.

11 / 77

Mesosphere has a temperature range__________

12 / 77

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

13 / 77

Incinerator reduces solid waste into__________

14 / 77

Which factor determines the severity of a pollutant?

15 / 77

A pollutant is a waste material that pollutes_____________

16 / 77

The recombination of O and O2 in mid stratosphere is an_______

17 / 77

The pH of water containing CO2 is_____

18 / 77

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

19 / 77

Which one of the followings is not a greenhouse Effect?

20 / 77

Which of the following is a poisonous gas?

21 / 77

Which one of the following is not an air pollutant?

22 / 77

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

23 / 77

The region of ozone decomposition in stratosphere is_______

24 / 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

25 / 77

Atmosphere has ___________regions.

26 / 77

Ultraviolet radiations can cause___________

27 / 77

Which gas is emitted due to volcanic eruption?

  • CO2
  • SO2
  • NO2
  • H2

Which Option is Correct?

28 / 77

The percentage by volume of nitrogen in dry gas is_______

29 / 77

The envelope of different gases around the earth is called___________

30 / 77

Effects of ozone depletion are following except the one_____

31 / 77

Normally rain water is weakly acidic because of____________

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

(Select Correct Option)

32 / 77

The gas used by animals to perform respiration is ________

  • O2
  • N2
  • SO2
  • Cl2

Select Correct Option

33 / 77

Which gas is the major constituent of troposphere?

34 / 77

Which gas is also known as life gas for plants?

  • CO
  • O2
  • CO2
  • NO2

Which Option is Correct?

35 / 77

Which of the following is a secondary pollutant?

36 / 77

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

37 / 77

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

  • CO2
  • CO
  • N2
  • O3

Select Correct Option

38 / 77

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

  • CO2
  • O2
  • N2
  • All of these

Which Option is Correct

39 / 77

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

40 / 77

At which region all weather occurs?

41 / 77

Ozone is beneficial for us as it_________

42 / 77

Thermosphere lies beyond__________

43 / 77

Ozone has a smell like _________

44 / 77

The Earth’s atmosphere is getting hotter because of____________

45 / 77

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

46 / 77

Which gas is responsible in warming the atmosphere?

47 / 77

Buildings are being damaged by acid rain because it attacks_________

48 / 77

Carbon monoxide is harmful to us because______________

49 / 77

Catalytic converters convert_____________

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

Which Option is Correct?

50 / 77

Fossil fuel means __________

51 / 77

99% of atmosphere consists of___________

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

Select Correct Option

52 / 77

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

53 / 77

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

54 / 77

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

55 / 77

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

56 / 77

Just above the Earth surface is called __________

57 / 77

Iron and steel structure are damaged by___________

58 / 77

The smell of photocopies machine is due to the presence of_________

59 / 77

Which is the major effect of global warming?

60 / 77

Which is not a poisonous gas?

61 / 77

About 99% atmosphere mass lies within_________

62 / 77

Global warming is because of_____________

63 / 77

PAN strands for__________

64 / 77

The pH of acid rain is___________

65 / 77

Which of the following can be used as a fuel?

66 / 77

A group of gases that maintains temperature of atmosphere are __________

67 / 77

Ozone depletion was first noticed in ___________

68 / 77

Ozone is an allotropic form of____________

69 / 77

Which is not a part of flue gas?

70 / 77

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

71 / 77

Forest fires and burning of wood emit_________

  • CO2
  • NO2
  • SO2
  • Cl2

which Option is Correct?

72 / 77

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

  • CO
  • O3
  • NO2
  • SO2

(Select Correct Option)

73 / 77

How many Natural Systems Are Exist on our Earth?

74 / 77

Which gas is produced by the electrical lightening of air?

  • NO
  • SO2
  • SO3
  • CO2

Select Correct Option

75 / 77

Ozone layer is not found in__________

76 / 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)

77 / 77

The gas used by plants to perform photosynthesis is ________

  • O2
  • CO2
  • N2
  • CO

Which Option is Correct?

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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

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter-13 of Chemistry, 10th Class, Biochemistry.

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Chemistry Ch#13, 10th Class

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1 / 121

Which one of the following cannot be hydrolyzed?

2 / 121

Smell of rancid butter is due to the presence of_______________

3 / 121

Glucose and fructose are_________

4 / 121

Tetra-saccharides are classified under__________

5 / 121

___________ is an example of pure cellular.

6 / 121

___________is a poor conductor

7 / 121

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

8 / 121

Which carbohydrate is used directly by muscles for energy?

9 / 121

Chemical formula of Stearic acid__________

  • C15H31COOH
  • C17H35COOH
  • C17H37COOH
  • None of these

Select Correct Option

10 / 121

RNA stands for _________

11 / 121

Carbohydrates are molecule_______

12 / 121

Maltose is commonly found in_________

13 / 121

Dextrose solution contain_________ calories of energy.

14 / 121

The percentage of protein in dry weight of cell_______

15 / 121

RNA consists of_________

16 / 121

Which is not a reducing sugar?

17 / 121

Which one is a proteins?

18 / 121

Rancid butter has________________

19 / 121

A bond formed between two amino acids is____________

20 / 121

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

21 / 121

Monosaccharides consists of number of carbon atoms_______

22 / 121

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

23 / 121

White viscous fluid (albumen) present in an egg is______________

24 / 121

Which of the followings is a disaccharide?

25 / 121

Methyl butanoate smell like_______

26 / 121

Solomon and Wales oil is used as __________

27 / 121

Starch is found in____________

28 / 121

Amino acids are the building blocks of_________

29 / 121

Esters of butanoic acids have ________ smell.

30 / 121

Vitamins were discovered in________

31 / 121

Starch is commonly found in____________

32 / 121

In hydrogenation of vegetable oil catalyst employed is________

33 / 121

Deficiency of Vitamin E causes_________

34 / 121

Photosynthesis process produces______

35 / 121

Carbohydrates regulate the amount of _________ in our body.

36 / 121

Carbohydrates are ________ in water.

37 / 121

Which one is found in bones?

38 / 121

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

39 / 121

Deficiency of vitamin D cause __________

40 / 121

Source of simple sugar is_________

41 / 121

The glucose is further polymerized to form_________

42 / 121

The source of galactose_________

43 / 121

Nucleic acids are made up of long chain of___________

44 / 121

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

45 / 121

Monosaccharides are crystalline solids________

46 / 121

Percentage of protein in dry weight of cell is _________

47 / 121

Chemical formula of amino group is___________

  • NH3
  • NH
  • NH4+
  • COOH

(Select Correct Option)

48 / 121

Maltose a disaccharide of two molecules________

49 / 121

Which of the following is tasteless?

50 / 121

Synthesis of protein is directed by____________

51 / 121

___________ is synthesizes by Plants.

52 / 121

Funk discovered vitamin _________

53 / 121

Fats exists in_________

54 / 121

Carbohydrates are synthesized by plants through_________

55 / 121

Oil exists in form of___________

56 / 121

Which one of the following is a reducing sugar?

57 / 121

The important mono-saccharides is ______

58 / 121

Lipids are macromolecules made up of____________

59 / 121

Which helps to keep the bowel functioning properly?

60 / 121

Marine source of oil is _______

61 / 121

Butter and fats are obtained from_________

62 / 121

Fat soluble vitamins are ______

63 / 121

50% dextrose contains approximate amount of energy_________

64 / 121

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

65 / 121

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

66 / 121

Low sugar level in human body results in______________

67 / 121

The most important disaccharide is__________

68 / 121

Amino acids are __________ of protein.

69 / 121

Energy provided by carbohydrate is __________

70 / 121

Accessories growth factors later named vitamins by________

71 / 121

Fructose contain group__________

72 / 121

When glucose and fructose combine, they produce_________

73 / 121

Triglycerides are fatty acids____________

74 / 121

Night blindness is because of deficiency of ________

75 / 121

Which one of the following are amorphous solids?

76 / 121

Carbohydrates is directly used by__________

77 / 121

Thousands of amino acids polymerize to form__________

78 / 121

Which helps in lowering of cholesterol level?

79 / 121

Vitamin B, was discovered by__________

80 / 121

________is responsible for the transmission of genetic information.

81 / 121

Human body uses carbohydrates in the form of_________

82 / 121

Ethyl butanoate smells like__________

83 / 121

The nature of enzyme is____________

84 / 121

The organic compound used as drugs to control bleeding are__________

85 / 121

Which is a hereditary material?

86 / 121

Which of the followings is a triglyceride?

87 / 121

Amino acids are linked with each other through________

88 / 121

Enzymes are proteins which have the following properties except___________

89 / 121

Nature of polysaccharides is__________

90 / 121

Proteins are essential for the formation of________

91 / 121

The most important oligosaccharide is____________

92 / 121

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

93 / 121

Disease of deficiency of vitamin A is_______

94 / 121

Monosaccharides cannot be _________

95 / 121

Polysaccharides is _______solid.

96 / 121

Oils and fats are esters of large chain fatty acids with__________

97 / 121

DNA structure was discovered in __________

98 / 121

General formula of carbohydrate is_________

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

(Select Correct Option)

99 / 121

Which is the natural sugar found in starchy foods?

100 / 121

Mono-saccharides are ________sugars.

101 / 121

The energy provided by carbohydrates in per gram ______

102 / 121

DNA was discovered by__________

103 / 121

Which one of the following vitamins is water soluble?

104 / 121

Denaturing of protein is caused by______________

105 / 121

Glucose is_____________

106 / 121

Protein is not found in____________

107 / 121

Carbohydrates are__________

108 / 121

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

109 / 121

Vitamin C is also called________

110 / 121

When bones are heated, they give____________

111 / 121

___________is essential component living cells.

112 / 121

Margarine is produced by adding ___________ to vegetable oil.

113 / 121

Carbohydrates are synthesized by plants through______

114 / 121

Margarine is produced by adding hydrogen to vegetable oil at___________

115 / 121

Gelatin is used in ________

116 / 121

Which is the essential sugar found in milk?

117 / 121

Fats and oils are _________ foods.

118 / 121

Ethyl butanoate smells like__________

119 / 121

RNA act role as _________

120 / 121

Eggs, Oils and fats contain vitamin_____________

121 / 121

Lipids are made of ___________

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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

Alkenes is also called ______

2 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

3 / 96

Alkenes are insoluble in___________

4 / 96

The compound having at least one benzene ring are called________

5 / 96

Banana when ripped produces gas________

6 / 96

The density of alkane increases with the increase of _________

7 / 96

paraffins means________

8 / 96

Benzene is formed by the polymerization of_______________

9 / 96

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

10 / 96

Which of the following has higher energy?

11 / 96

Alkynes being more reactive than __________

12 / 96

Which one of the following is a substitution reaction?

13 / 96

Methane is also called ______

14 / 96

Substitution reaction is the characteristics of__________

15 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

16 / 96

Those Hydrocarbons having high molecular mass are___________

17 / 96

The order of reactivity of hydrogen halides with alkenes is__________

18 / 96

Which of the following gas is used in warfare?

19 / 96

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

20 / 96

The example of rubbers is ________

21 / 96

Ethylene oxide is used as _________

22 / 96

Ethene reacts with H2SO4 at temperature of_________

23 / 96

Banaspati Ghee is also called______

24 / 96

Detergents are the sodium salts of__________

25 / 96

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

26 / 96

Which one of the following is more reactive?

27 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

28 / 96

Number of bonds present in methane________

29 / 96

In dry cleaning, which chemical is used?

30 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

31 / 96

Incomplete combustion of alkanes produces________

32 / 96

Which is the characteristics property of alkanes?

33 / 96

Amorphous forms of carbons are______

34 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

35 / 96

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

36 / 96

Carbon tetra chloride is used in_______

37 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

38 / 96

Which of the following is a synthetic fiber?

39 / 96

Carbon black is used in the manufacture of_______

40 / 96

Due to which property alkane are used as fuel___________

41 / 96

Which is present 85% in natural gas?

42 / 96

Which compound is used for welding process?

43 / 96

Formula of nascent hydrogen is_______

44 / 96

Di-methy acetylene is also called___________

45 / 96

Traces of acetylene are present in coal gas about_________

46 / 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?

47 / 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?

48 / 96

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

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

49 / 96

Due to increase in molar mass which property increases?

50 / 96

Alkanes do not react in__________

51 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

52 / 96

The end product of oxidation of acetylene is_______

53 / 96

Alkanes give reaction only _____

54 / 96

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

55 / 96

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

56 / 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

57 / 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)

58 / 96

Glyoxal is oxidize into_________

59 / 96

The reduction of alkyl halides takes place in the presence of___________

60 / 96

Ethylene is present in natural gas sometimes to the extent of________

61 / 96

Which of the following property is not present in hydrocarbons?

62 / 96

Traces of acetylene are present in coal gas about ___________

63 / 96

A solution of bromine in water having colour________

64 / 96

Oxidation of ethene with KMnO4 produces______

65 / 96

Alkyne forms____________

66 / 96

Which of the following is not alcohol?

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

Select Correct Option

67 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

68 / 96

Alkanes are also called ________

69 / 96

Which one of the following is a substitution reaction?

70 / 96

Carbon has valency_______

71 / 96

Which of the following is not a function of chloroform?

72 / 96

The general formula of alkynes is_________

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

Which Option is Correct ?

73 / 96

Which of the following is not a hydrocarbon?

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

Which Option is Correct ?

74 / 96

Number of bonds in propene is ______________

75 / 96

Alkenes are produced in large amounts by cracking of_________

76 / 96

Which of the following does not occur free in nature?

77 / 96

Alkenes are prepared from alcohols by a process called_________

78 / 96

Some orchids attract bees for pollination by producing_________

79 / 96

Dehydration means removal of__________

80 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

81 / 96

In shoe polishes, which chemical is used?

82 / 96

Chloroform is used for__________

83 / 96

Methane forms natural gas about___________

84 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

85 / 96

Incomplete combustion of alkanes produces __________

86 / 96

Alkanes are least reactive compounds because they are____________

87 / 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 ?

88 / 96

The alkanes consisting of C5 to C10 are__________

89 / 96

Addition of hydrogen is called _________

90 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

91 / 96

Alcohol is soluble in water due to ________

92 / 96

Which is used as Anti-freezer?

93 / 96

Dehydrohalogenation takes place in the presence of_____________

94 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

95 / 96

The Hydrocarbons having double bond are called _________

96 / 96

Oxidation of alkenes produce______

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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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Chemistry Ch#011, 10th Class

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1 / 95

C-C bond is stronger than_____

2 / 95

Which one contains triple covalent bond?

3 / 95

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

4 / 95

Homologous series have same_________

5 / 95

Organic compound consisting of “RCOOR” functional group is called_______

6 / 95

How many types of formula of organic compound?

7 / 95

Functional group C-O-C is found in__________

8 / 95

Coal having 90% carbon contents is called_______

9 / 95

In laboratory urea was prepared by_______

10 / 95

A benzene ring is made of carbon atoms_______

11 / 95

Coal gas is a mixture of_______________

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

(Select Correct Option)

12 / 95

The % age of carbon in coal is_________

13 / 95

Conversion of wood into coal is called ________

14 / 95

Which one is used as reducing agent_________

15 / 95

Inorganic compounds are obtained from_________

16 / 95

Alkanes are also called__________

17 / 95

Dead plants produce all of these products except_______

18 / 95

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

19 / 95

The main component of natural gas is___________

20 / 95

Functional group —OH is found.in___________

21 / 95

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

22 / 95

Functional group containing carbon, hydrogen and halogens are__________

23 / 95

Which of the following are derived from alkanes?

24 / 95

Natural gas contains_________

25 / 95

Which one contains triple bond?

26 / 95

Esters are recognized by their________

27 / 95

Which one is soft coal__________

28 / 95

Molecular formula of butane is________

  • C4H10
  • C5H5
  • C4H8
  • C4H6

(Select Correct Option)

29 / 95

The general formula of alkane is ________

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

(Select Correct Answer)

30 / 95

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

31 / 95

The ability of carbon atoms to form chains is called_____

32 / 95

Coal tar contains compounds_____

33 / 95

The % age of carbon in bituminous is __________

34 / 95

The % age of carbon is lignite is___________

35 / 95

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

36 / 95

Coal is blackish complex mixture of compounds of________

37 / 95

CH3-O-CH3 is called_______

38 / 95

Organic compounds have_________

39 / 95

Which one of the following is a synthetic fiber?

40 / 95

Geraniol consists of functional group_________

41 / 95

Who put forward the vital force theory?

42 / 95

The chemical formula of octane is_________

  • C5H12
  • C3H8
  • C2H6
  • C8H18

(Which Option is Correct)

43 / 95

Identify which one of the following compounds is a ketone?

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

(Which Option is Correct)

44 / 95

Main component of natural gas is______

45 / 95

Which one contains double covalent bond?

46 / 95

Coal gas is the mixture of______

47 / 95

Alkyle Radical is represented as_______

48 / 95

Carbonization process is the conversion of__________

49 / 95

Which one is homocyclic compound?

50 / 95

The functional group -COOH is found in_______

51 / 95

The % age of carbon in coke is_________

52 / 95

Which one of the following does not contain protein?

53 / 95

Coal is consisting of ________types.

54 / 95

Which one contains double bond?

55 / 95

Which one of the following is not a fossil fuel?

56 / 95

Which one of the following compounds is an aldehyde?

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

(Which Option is Correct)

57 / 95

Coal tar is a mixture of more than organic compounds_______

58 / 95

Who was discarded vital force theory?

59 / 95

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

60 / 95

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

61 / 95

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

62 / 95

The vital force theory suffered rejection in__________

63 / 95

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

64 / 95

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

65 / 95

Which one of the following does not contain starch _________

66 / 95

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

67 / 95

Pitch is black residue of__________

68 / 95

Silicon occurs in the form of _________

69 / 95

Condensed form of propane is________

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

(Select Correct Option)

70 / 95

Which one is main source of organic compound?

71 / 95

Which one of the following is the hardest coal?

72 / 95

Vitamins are found in____________

73 / 95

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

74 / 95

Petroleum is refined by_________

75 / 95

The % age of carbon in peat is____________

76 / 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?

77 / 95

Which one provide inert atmosphere in metallurgy process?

78 / 95

Name the gas which is not found in coal gas_______

79 / 95

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

80 / 95

The 1st organic compound prepared in laboratory.

81 / 95

General formula of alkyl radical is_______

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

(Select Correct Option)

82 / 95

The basic unit of carbohydrates is_________

83 / 95

Functional group containing — NH2 are called________

84 / 95

Who was prepared acetic acid in laboratory?

85 / 95

Which one is heterocyclic compound?

86 / 95

Natural gas is used to make_________

87 / 95

Perfumes may also contains_________

88 / 95

Paraffin’s means___________

89 / 95

Alkyl radical is derivative of__________

90 / 95

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

91 / 95

The molecular formula of pentane is_______

  • CH4
  • C3H3
  • C5H12 
  • C4H10

(Select Correct Option)

92 / 95

Which type of coal is used as house hold coal________

93 / 95

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

94 / 95

How many Carbons are present in Heptanes?

95 / 95

Organic compounds are soluble in_________

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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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1 / 72

A conjugate acid is a specie formed by accepting a ________

2 / 72

Methyl orange produces colour in basic solution _____________

3 / 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?

4 / 72

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

5 / 72

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

  • NaCl
  • Na2CO3
  • Na2SiO3
  • NaCl

Which Option is Correct?

6 / 72

Which one of the following species is not amphoteric?

  • H2O
  • NH3
  • HCO3
  • SO4

Which Option is Correct?

7 / 72

The water of crystallization is responsible for the ___________

8 / 72

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

9 / 72

Which acid is used for food preservation?

  • H2SO4
  • HNO3
  • HCl
  • CH3COOH

Select one Option which is Correct?

10 / 72

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

  • NaCl
  • Na2CO3
  • NaHCO3
  • Na2SiO3

Select Correct Option

11 / 72

Jabir Bin Haiyan prepared ____________

12 / 72

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

13 / 72

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

14 / 72

Uric acid is present in__________

15 / 72

Which one is used for alkaline batteries?

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

Which Option is Correct?

16 / 72

A conjugate base is a specie formed by donating a ___________

17 / 72

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

18 / 72

Which acid is used for etching designs on copper plates?

  • H2SO4
  • HNO3
  • HCl
  • CH3COOH

Which Option is Correct ?

19 / 72

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

20 / 72

Which acid is used an electrolyte in lead storage battery?

  • H2SO4
  • HNO3
  • HCl
  • CH3COOH

Which is Correct Option ?

21 / 72

Acetic acid is a weak acid because it _______________

22 / 72

Which one is Lewis base?

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

Select One Option.

23 / 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 _____________

24 / 72

A reaction between an acid and a base produce___________

25 / 72

Acidic solutions have pH value _______

26 / 72

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

  • CaCl2
  • NaCl
  • CaO
  • Na2SiO3

Select Correct Answer ?

27 / 72

Which is used as foaming agent in fire extinguishers?

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

Select Correct Option.

28 / 72

Stearic acid present in______________

29 / 72

Butyric acid is present in ____________

30 / 72

Which one is not an Arrhenius acid?

  • HCl
  • H2SO4
  • CO2
  • HNO3

Select One Option.

31 / 72

When acids react with metals which gas is evolved?

  • H2
  • O2
  • Cl2
  • N2

Select any One Option.

32 / 72

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

33 / 72

Lavoisier named binary compounds of oxygen acids in_______

34 / 72

Formic acid is present in _______________

35 / 72

Which one of the following is a Lewis base?

  • NH3
  • BF3
  • H+
  • AICI3

Select one Option

36 / 72

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

37 / 72

A salt always _________________

38 / 72

Alkalis react with ammonium salt to liberate_______

  • SO2
  • CO2
  • NH3
  • H2

Which Option is Correct?

39 / 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 ?

40 / 72

Basic solutions have pH value__________

41 / 72

Which one is Lewis acid?

  • BF3
  • AIC3
  • FeCl3
  • All of these

Which Option is Correct ?

42 / 72

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

43 / 72

Maltic acid is present in _________

44 / 72

Which acid is present in our stomach?

45 / 72

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

46 / 72

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

  • H2
  • CO2
  • SO2
  • NH3

The Correct Option is ____________

47 / 72

The word acid is derived from thy_________

48 / 72

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

49 / 72

All acids turn blue litmus into _____________

50 / 72

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

51 / 72

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

52 / 72

pH value normally varies from_________

53 / 72

All bases turn red litmus into __________

54 / 72

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

55 / 72

pH of neutral solution is always ________

56 / 72

Select one Option

57 / 72

Lewis acid-base concept have the following characteristics except______

58 / 72

Arrhenius presented his concept about acids and bases in________

59 / 72

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

60 / 72

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

  • H2
  • CO2
  • Cl2
  • N2

The Correct Option is ________

61 / 72

Word “Acidus” means__________

62 / 72

Which is used to remove the grease stains from clothes?

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

Which Option is suitable?

63 / 72

Indicators are the ___________

64 / 72

Select Correction Option

65 / 72

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

66 / 72

Citric acid is present in ___________

67 / 72

Which one is mineral acid?

  • HCl
  • H2SO4
  • HNO3
  • All of these

Select Correct Option.

68 / 72

Which salt is used as a table salt?

  • NaCl
  • Na2CO3
  • Na2SiO3
  • NaCl

Select One Option.

69 / 72

A salt is not composed of ___________

70 / 72

Phenolphthalein produces red color in ___________

71 / 72

Which is used to manufacture of soap?

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

Select Correct Option.

72 / 72

Which one is not an Arrhenius base?

  • NaOH
  • KOH
  • Ca(OH)2
  • NH3

Which Option is Correct ?

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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

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 ?

2 / 89

The units of molar concentration_____________

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

Which Option is Correct ?

3 / 89

Reverse reaction take place from____________

4 / 89

Equilibrium constant value “Kc” is equal to__________

5 / 89

Which gas is used to prepare ammonia?

  • N2
  • O2
  • Cl2               
  • S

Which Option is Correct ?

6 / 89

Which type of reactions speed up gradually?

7 / 89

There are ___________possibilities of predicting extent of reaction.

8 / 89

Nitrogen is used to prepare _______________

9 / 89

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

10 / 89

At dynamic equilibrium__________

11 / 89

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

12 / 89

Which type of reactions take place in both directions?

13 / 89

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

14 / 89

There are ____________ characteristics of dynamic Equilibrium.

15 / 89

When a system is at equilibrium states?

16 / 89

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

17 / 89

Ammonia gas is used to manufacture__________

18 / 89

Nitrogen and oxygen constituents ________of the atmosphere

19 / 89

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

20 / 89

The characteristics of reversible reactions are the following except____

21 / 89

Irreversible reaction consists of_________

22 / 89

In the beginning, the reverse reactions are ________

23 / 89

In direction of a reaction, reaction proceeds reverse then___________

24 / 89

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

25 / 89

The two major components of atmosphere are ____________

26 / 89

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

27 / 89

The two major components of atmosphere are ___________

28 / 89

There are ___________possibilities of predicting extent of reaction.

29 / 89

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

30 / 89

There are ___________major components of atmosphere.

31 / 89

In direction of a reaction, reaction is at equilibrium then_____________

32 / 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 ?

33 / 89

At initial stage the rate of forward reaction is______________

34 / 89

The %age of nitrogen and oxygen in our atmosphere is_________

35 / 89

Which type of reactions do not go to completion?

36 / 89

The oxidation of carbon monoxides goes to completion at _____________

37 / 89

There are ___________ possibilities at equilibrium state.

38 / 89

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

39 / 89

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

40 / 89

A reverse reaction is one that_______

41 / 89

At equilibrium the rate of forward and reverse reaction becomes_____

42 / 89

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

43 / 89

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

44 / 89

The Color of hydrogen iodide is___________

45 / 89

By knowing the value of equilibrium constant ____________can be predicted.

46 / 89

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

47 / 89

Numerical value of Kc predicts_____________

48 / 89

Reverse reactions gradually ______________

49 / 89

The color of iodine is______

50 / 89

Point out the co efficient in the following hypothetical reaction

2A+3 D   —>   4C+8D

51 / 89

When H2 and I2 combine they form ____________

  • H2O
  • HI
  • I2
  • H2 & I2

which Option is Correct ?

52 / 89

Sulphur dioxide is used to manufacture_____________

53 / 89

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

54 / 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_________

55 / 89

Forward reaction takes place from______________

56 / 89

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

57 / 89

In direction of a reaction, reaction proceeds forward then______________

58 / 89

Which Option is Correct

59 / 89

When the magnitude of Kc is very large it indicates___________

60 / 89

Many environmental systems depend for their_____________

61 / 89

When CaO reacts with CO2 they produce_________

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

Which Option is Correct?

62 / 89

Reaction quotient is expressed as_____________

63 / 89

The characteristics of inversible reaction are the following except_____________

64 / 89

Which chemical is called king of chemicals?

  • KNO3
  • H2SO4
  • HCl
  • NHO3

Which Option is Correct ?

65 / 89

In chemical reactions the substances that combine are called _________

66 / 89

The forward reaction takes place__________

67 / 89

Dynamic means, reaction is__________

68 / 89

When a reaction ceases to proceed further, it is called_____________

69 / 89

Reversible reaction____________

70 / 89

Gases are being used to manufacture____________

71 / 89

In extent of reaction, the reaction goes to completion have__________

72 / 89

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

73 / 89

Name the reactants in this equation

2H2 +O2   —> 2H2O

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

Select One Options

74 / 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_________

75 / 89

Oxygen is used to prepare_______________

76 / 89

In an irreversible reaction dynamic equilibrium ______

77 / 89

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

78 / 89

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

79 / 89

An equilibrium is achievable only in ___________________

80 / 89

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

  • N2
  • O2
  • Cl2
  • S

Which Option is Correct ?

81 / 89

Which is the king of chemicals?

82 / 89

When the reaction ceases to proceed, it is called_________

83 / 89

When the magnitude of Kc is very small it indicates_____________

84 / 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 ?

85 / 89

Reaction in which reactants react to form products called__________

86 / 89

Reversible reactions take place in__________

87 / 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

88 / 89

When H2 and O2 combine they form__________

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

Select Correct Option?

89 / 89

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

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ua23:31:31 Mar 31, 202473%
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M.Ahsan00:54:09 Jan 03, 20240%
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death21:49:28 Jan 02, 202416%
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amber18:18:42 Oct 02, 20220%
Jjjj12:31:20 Oct 01, 202270%
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mubeen khurram00:53:30 Sep 24, 202228%
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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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