Solved Problems for Class 10th

Chemistry Notes for Class-10 Chapter-15

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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

The percentage of oceans in world water is _______

2 / 61

The percentage of potable water on earth is____________

3 / 61

Which one of the following diseases causes liver inflammation?

4 / 61

Calcium carbonate is in water _________

5 / 61

Water has a maximum density at __________

6 / 61

Inland water includes _________________

7 / 61

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

8 / 61

Vibrious cholera causes _______

9 / 61

Soap is the sodium salt of long chain of _____________

10 / 61

Which organ ceases to function during Jaundice?

11 / 61

Temporary hardness is removed by adding _____________

12 / 61

Hook worm larvae enter the body through __________

13 / 61

Neurological damage is caused by the poisoning of__________

14 / 61

Temporary hardness is due to the presence of bicarbonates of __________

15 / 61

Example of pest is___________

16 / 61

The boiling point of water is ____________

17 / 61

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

18 / 61

Which of the following is soluble in water?

19 / 61

The freezing point of water is _____________

20 / 61

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

21 / 61

Temporary hardness in water can be removed by ___________

22 / 61

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

23 / 61

Hard water can cause____________

24 / 61

Chemical formula of hypochlorous acid is __________

25 / 61

The removal of which ion causes water softening.

26 / 61

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

27 / 61

The heat capacity of water is _____________

28 / 61

Water dissolves non-ionic compound by ________

29 / 61

Chemical form of gypsum___________

30 / 61

Swimming pools are cleaned by the process________

31 / 61

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

32 / 61

Acute cadmium poisoning causes __________

33 / 61

Industrial effluents are highly____________

34 / 61

Hookworm infects ___________

35 / 61

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

36 / 61

Specific heat capacity of water is _____________

37 / 61

Permanent hardness is removed by adding__________

38 / 61

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

39 / 61

Sodium zeolite is naturally occurring reason of___________

40 / 61

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

41 / 61

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

42 / 61

Which is not a heavy metal?

43 / 61

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

44 / 61

Which hepatitis is caused by contaminated water?

45 / 61

Which element protects teeth from decay?

46 / 61

Which of the following salt is soluble in water?

47 / 61

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

48 / 61

Water molecules show structure _________

49 / 61

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

50 / 61

Temporary hardness is because of______________

51 / 61

Which element do not cause toxicity in water?

52 / 61

The percentage of water in human body is_____

53 / 61

Chemical formula of lime stone is _____________

54 / 61

Water which produces good lather with soap is called __________

55 / 61

Maximum density of water at 4°C is _______________

56 / 61

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

57 / 61

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

58 / 61

Acute lead poisoning causes dysfunction of_____________

59 / 61

Which disease is caused by polluted water?

60 / 61

Gypsum in water is ____________

61 / 61

Which of the following is insoluble in water?

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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

Which one is not metal?

2 / 53

Ammonia is prepared by the process__________

3 / 53

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

4 / 53

The number of carbon atoms present in fuel oil_______________

5 / 53

Which one of the ore of copper?

6 / 53

Blonde hair contains compounds of____________

7 / 53

The residual oil is heated above 400-C to produce___________

8 / 53

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

9 / 53

The number of carbon atoms present in petroleum ether _________

10 / 53

Formula of baking soda is________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

11 / 53

Sodium carbonate is manufactured by___________

12 / 53

Concentration is a __________

13 / 53

Which contains sufficient amount of metal?

14 / 53

How many % age of urea is used as fertilizers?

15 / 53

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

16 / 53

Formula of soda ash is___________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

17 / 53

In Solvay’s process slaked lime is used to_________

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

Which Option is Correct?

18 / 53

Froth flotation process is used to concentrate the ore on________

19 / 53

Concentration of the copper ore is carried out by___________

20 / 53

The number of carbon atoms present in diesel oil______________

21 / 53

Blast furnace usually used for the metallurgy of__________

22 / 53

Raw materials used in Solvay process.

23 / 53

Crude oil is heated in fractionating furnace upto_________

24 / 53

A saturated solution of sodium chloride is called _____________

25 / 53

Concentration is a separating technique in which mineral is separated from___________

26 / 53

Extraction of metals from its ores is called___________

27 / 53

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

28 / 53

The number of carbon atoms present in gasoline or petrol________

29 / 53

When NaHCO3 is heated it forms________

  • CO2
  • Ca(OH)2
  • CaCO3
  • CaO

Which Option is Correct ?

30 / 53

Red hair contains compounds of____________

31 / 53

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

  • C2H4
  • C3H8
  • C7H10
  • C12H26

Which Option is Correct ?

32 / 53

Matte is a mixture of_____________

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

Which Option is Correct ?

33 / 53

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

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

Which Option is Correct ?

34 / 53

When crude oil is heated in the fractionating tower__________

35 / 53

The raw materials for the manufacturing of urea are ___________

36 / 53

Metallurgy involves which of the following steps?

37 / 53

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

38 / 53

Imperial chemical industries (ICT) was established in_________

39 / 53

Brown hair contains___________

40 / 53

The nitrogen present in urea is used by plants to synthesize_________

41 / 53

Compounds of metals exist under earth crust are called_______

42 / 53

Ammonical brine is prepared by dissolving ammonia gas in ______

  • NaCl
  • CaCO3
  • CaCl2
  • Na2SO4

Which Option is Correct ?

43 / 53

The number of carbon atoms present in kerosene oil_______

44 / 53

Formula of urea is__________

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

Which Option is Correct ?

45 / 53

In the bessemerization process__________

46 / 53

Sindh Alkalies Limited was established near Karachi in ___________

47 / 53

Which one is not metal?

48 / 53

Which one of the following is used as jet fuel ?

49 / 53

The elements that do not conduct heat and electricity are called_________

50 / 53

How many % age of nitrogen in urea fertilizers?

51 / 53

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

52 / 53

The number of carbon atoms present in petroleum gas_______

53 / 53

Froth flotation process is used to concentrate_________

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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 gas protects the Earth’s surface from ultraviolet radiations?

  • CO2
  • CO
  • N2
  • O3

Select Correct Option

2 / 77

Buildings are being damaged by acid rain because it attacks_________

3 / 77

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

  • CO2
  • O2
  • N2
  • All of these

Which Option is Correct

4 / 77

The percentage by volume of nitrogen in dry gas is_______

5 / 77

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

6 / 77

Which pollutant is responsible for changing weather?

7 / 77

The smell of photocopies machine is due to the presence of_________

8 / 77

The gas used by plants to perform photosynthesis is ________

  • O2
  • CO2
  • N2
  • CO

Which Option is Correct?

9 / 77

Thermosphere lies beyond__________

10 / 77

Which one of the following is not an air pollutant?

11 / 77

Incinerator reduces solid waste into__________

12 / 77

A pollutant is a waste material that pollutes_____________

13 / 77

Major portion of ozone layer is found in__________

14 / 77

Which is not a part of flue gas?

15 / 77

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

16 / 77

Iron and steel structure are damaged by___________

17 / 77

The percentage of sunlight absorbed by atmospheric gases is_________

18 / 77

Which is not a characteristic of SO2

19 / 77

Which factor determines the severity of a pollutant?

20 / 77

The recombination of O and O2 in mid stratosphere is an_______

21 / 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

22 / 77

The region of ozone decomposition in stratosphere is_______

23 / 77

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

24 / 77

The region in which ozone layer depletes is called___________

25 / 77

The pH of acid rain is___________

26 / 77

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

27 / 77

Normally rain water is weakly acidic because of____________

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

(Select Correct Option)

28 / 77

Which gas is responsible in warming the atmosphere?

29 / 77

Mesosphere has a temperature range__________

30 / 77

Just above the Earth surface is called __________

31 / 77

Ozone is beneficial for us as it_________

32 / 77

The Earth’s atmosphere is getting hotter because of____________

33 / 77

Which of the following can be used as a fuel?

34 / 77

High concentration of which metal clogs the fish gills.

35 / 77

Catalytic converters convert_____________

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

Which Option is Correct?

36 / 77

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

37 / 77

Which gas is the major constituent of troposphere?

38 / 77

Ozone depletion was first noticed in ___________

39 / 77

Global warming is because of_____________

40 / 77

Which one of the followings is not a greenhouse Effect?

41 / 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)

42 / 77

Which of the following is a secondary pollutant?

43 / 77

Which is the major effect of global warming?

44 / 77

The envelope of different gases around the earth is called___________

45 / 77

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

46 / 77

Ozone is an allotropic form of____________

47 / 77

At which region all weather occurs?

48 / 77

Almost all air crafts fly in which region?

49 / 77

Which gas is emitted due to volcanic eruption?

  • CO2
  • SO2
  • NO2
  • H2

Which Option is Correct?

50 / 77

Ozone has a smell like _________

51 / 77

Which is not a poisonous gas?

52 / 77

Which is not an air pollutant?

  • CO2
  • SO2
  • CO
  • NH3

Which Option is Correct?

53 / 77

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

54 / 77

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

55 / 77

Which of the following is a poisonous gas?

56 / 77

Effects of ozone depletion are following except the one_____

57 / 77

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

58 / 77

How many Natural Systems Are Exist on our Earth?

59 / 77

Fossil fuel means __________

60 / 77

99% of atmosphere consists of___________

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

Select Correct Option

61 / 77

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

62 / 77

Higher concentration of CO causes__________

63 / 77

Atmosphere has ___________regions.

64 / 77

Which gas is also known as life gas for plants?

  • CO
  • O2
  • CO2
  • NO2

Which Option is Correct?

65 / 77

About 99% atmosphere mass lies within_________

66 / 77

PAN strands for__________

67 / 77

Which gas is produced by the electrical lightening of air?

  • NO
  • SO2
  • SO3
  • CO2

Select Correct Option

68 / 77

Carbon monoxide is harmful to us because______________

69 / 77

Ultraviolet radiations can cause___________

70 / 77

The gas used by animals to perform respiration is ________

  • O2
  • N2
  • SO2
  • Cl2

Select Correct Option

71 / 77

Which gas is in involved in ozone depletion?

72 / 77

Forest fires and burning of wood emit_________

  • CO2
  • NO2
  • SO2
  • Cl2

which Option is Correct?

73 / 77

Ozone layer is not found in__________

74 / 77

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

  • CO
  • O3
  • NO2
  • SO2

(Select Correct Option)

75 / 77

A group of gases that maintains temperature of atmosphere are __________

76 / 77

The pH of water containing CO2 is_____

77 / 77

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

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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

Low sugar level in human body results in______________

2 / 121

Protein is not found in____________

3 / 121

When glucose and fructose combine, they produce_________

4 / 121

Vitamin B, was discovered by__________

5 / 121

Source of simple sugar is_________

6 / 121

DNA was discovered by__________

7 / 121

Which of the followings is a disaccharide?

8 / 121

The source of galactose_________

9 / 121

Lipids are macromolecules made up of____________

10 / 121

When bones are heated, they give____________

11 / 121

Butter and fats are obtained from_________

12 / 121

Photosynthesis process produces______

13 / 121

Enzymes are proteins which have the following properties except___________

14 / 121

General formula of carbohydrate is_________

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

(Select Correct Option)

15 / 121

Vitamin C is also called________

16 / 121

Glucose is_____________

17 / 121

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

18 / 121

Nucleic acids are made up of long chain of___________

19 / 121

Deficiency of vitamin D cause __________

20 / 121

Fats and oils are _________ foods.

21 / 121

Fat soluble vitamins are ______

22 / 121

Oil exists in form of___________

23 / 121

RNA consists of_________

24 / 121

Monosaccharides are crystalline solids________

25 / 121

Deficiency of Vitamin E causes_________

26 / 121

Fructose contain group__________

27 / 121

Ethyl butanoate smells like__________

28 / 121

Smell of rancid butter is due to the presence of_______________

29 / 121

Eggs, Oils and fats contain vitamin_____________

30 / 121

Gelatin is used in ________

31 / 121

Starch is found in____________

32 / 121

Margarine is produced by adding ___________ to vegetable oil.

33 / 121

Nature of polysaccharides is__________

34 / 121

50% dextrose contains approximate amount of energy_________

35 / 121

Which one of the following vitamins is water soluble?

36 / 121

Polysaccharides is _______solid.

37 / 121

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

38 / 121

___________is a poor conductor

39 / 121

Lipids are made of ___________

40 / 121

Accessories growth factors later named vitamins by________

41 / 121

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

42 / 121

Amino acids are linked with each other through________

43 / 121

Which of the followings is a triglyceride?

44 / 121

Synthesis of protein is directed by____________

45 / 121

The organic compound used as drugs to control bleeding are__________

46 / 121

Dextrose solution contain_________ calories of energy.

47 / 121

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

48 / 121

Margarine is produced by adding hydrogen to vegetable oil at___________

49 / 121

Carbohydrates is directly used by__________

50 / 121

Carbohydrates are synthesized by plants through______

51 / 121

Mono-saccharides are ________sugars.

52 / 121

Which is not a reducing sugar?

53 / 121

Percentage of protein in dry weight of cell is _________

54 / 121

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

55 / 121

Which carbohydrate is used directly by muscles for energy?

56 / 121

Chemical formula of Stearic acid__________

  • C15H31COOH
  • C17H35COOH
  • C17H37COOH
  • None of these

Select Correct Option

57 / 121

Monosaccharides cannot be _________

58 / 121

The energy provided by carbohydrates in per gram ______

59 / 121

Which is the natural sugar found in starchy foods?

60 / 121

DNA structure was discovered in __________

61 / 121

Carbohydrates are synthesized by plants through_________

62 / 121

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

63 / 121

Carbohydrates regulate the amount of _________ in our body.

64 / 121

White viscous fluid (albumen) present in an egg is______________

65 / 121

Carbohydrates are__________

66 / 121

Oils and fats are esters of large chain fatty acids with__________

67 / 121

___________is essential component living cells.

68 / 121

The most important oligosaccharide is____________

69 / 121

Triglycerides are fatty acids____________

70 / 121

___________ is an example of pure cellular.

71 / 121

Which is a hereditary material?

72 / 121

Maltose a disaccharide of two molecules________

73 / 121

The nature of enzyme is____________

74 / 121

The important mono-saccharides is ______

75 / 121

A bond formed between two amino acids is____________

76 / 121

Rancid butter has________________

77 / 121

Tetra-saccharides are classified under__________

78 / 121

Starch is commonly found in____________

79 / 121

Ethyl butanoate smells like__________

80 / 121

Proteins are essential for the formation of________

81 / 121

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

82 / 121

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

83 / 121

Which helps to keep the bowel functioning properly?

84 / 121

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

85 / 121

The glucose is further polymerized to form_________

86 / 121

Monosaccharides consists of number of carbon atoms_______

87 / 121

Amino acids are the building blocks of_________

88 / 121

Human body uses carbohydrates in the form of_________

89 / 121

The most important disaccharide is__________

90 / 121

Carbohydrates are molecule_______

91 / 121

Energy provided by carbohydrate is __________

92 / 121

Which one of the following cannot be hydrolyzed?

93 / 121

Which helps in lowering of cholesterol level?

94 / 121

___________ is synthesizes by Plants.

95 / 121

Amino acids are __________ of protein.

96 / 121

The percentage of protein in dry weight of cell_______

97 / 121

Which one of the following are amorphous solids?

98 / 121

Which is the essential sugar found in milk?

99 / 121

In hydrogenation of vegetable oil catalyst employed is________

100 / 121

Carbohydrates are ________ in water.

101 / 121

Denaturing of protein is caused by______________

102 / 121

Which one of the following is a reducing sugar?

103 / 121

Which one is a proteins?

104 / 121

Night blindness is because of deficiency of ________

105 / 121

RNA stands for _________

106 / 121

Methyl butanoate smell like_______

107 / 121

Disease of deficiency of vitamin A is_______

108 / 121

Fats exists in_________

109 / 121

Solomon and Wales oil is used as __________

110 / 121

Maltose is commonly found in_________

111 / 121

Funk discovered vitamin _________

112 / 121

Which of the following is tasteless?

113 / 121

Which one is found in bones?

114 / 121

Esters of butanoic acids have ________ smell.

115 / 121

Thousands of amino acids polymerize to form__________

116 / 121

RNA act role as _________

117 / 121

Marine source of oil is _______

118 / 121

Glucose and fructose are_________

119 / 121

Chemical formula of amino group is___________

  • NH3
  • NH
  • NH4+
  • COOH

(Select Correct Option)

120 / 121

________is responsible for the transmission of genetic information.

121 / 121

Vitamins were discovered 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

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

2 / 96

Banana when ripped produces gas________

3 / 96

Which one of the following is a substitution reaction?

4 / 96

Which is present 85% in natural gas?

5 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

6 / 96

Which of the following is not a hydrocarbon?

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

Which Option is Correct ?

7 / 96

Which of the following does not occur free in nature?

8 / 96

Alkenes are insoluble in___________

9 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

10 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

11 / 96

Which compound is used for welding process?

12 / 96

Oxidation of alkenes produce______

13 / 96

The order of reactivity of hydrogen halides with alkenes is__________

14 / 96

Those Hydrocarbons having high molecular mass are___________

15 / 96

Alkanes are also called ________

16 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

17 / 96

Amorphous forms of carbons are______

18 / 96

Ethene reacts with H2SO4 at temperature of_________

19 / 96

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

20 / 96

Which is the characteristics property of alkanes?

21 / 96

Which one of the following is more reactive?

22 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

23 / 96

Alkanes give reaction only _____

24 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

25 / 96

The general formula of alkynes is_________

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

Which Option is Correct ?

26 / 96

The density of alkane increases with the increase of _________

27 / 96

Alcohol is soluble in water due to ________

28 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

29 / 96

The example of rubbers is ________

30 / 96

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

31 / 96

Alkynes being more reactive than __________

32 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

33 / 96

Dehydration means removal of__________

34 / 96

Incomplete combustion of alkanes produces________

35 / 96

Banaspati Ghee is also called______

36 / 96

In shoe polishes, which chemical is used?

37 / 96

Ethylene oxide is used as _________

38 / 96

Detergents are the sodium salts of__________

39 / 96

Which of the following is not alcohol?

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

Select Correct Option

40 / 96

Oxidation of ethene with KMnO4 produces______

41 / 96

Which of the following is a synthetic fiber?

42 / 96

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

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

43 / 96

The end product of oxidation of acetylene is_______

44 / 96

Dehydrohalogenation takes place in the presence of_____________

45 / 96

Alkenes is also called ______

46 / 96

Alkyne forms____________

47 / 96

Alkenes are produced in large amounts by cracking of_________

48 / 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?

49 / 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)

50 / 96

Carbon tetra chloride is used in_______

51 / 96

Which of the following gas is used in warfare?

52 / 96

Number of bonds in propene is ______________

53 / 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?

54 / 96

Which of the following is not a function of chloroform?

55 / 96

Which is used as Anti-freezer?

56 / 96

Alkanes are least reactive compounds because they are____________

57 / 96

Due to increase in molar mass which property increases?

58 / 96

Alkenes are prepared from alcohols by a process called_________

59 / 96

Ethylene is present in natural gas sometimes to the extent of________

60 / 96

Benzene is formed by the polymerization of_______________

61 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

62 / 96

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

63 / 96

Formula of nascent hydrogen is_______

64 / 96

The compound having at least one benzene ring are called________

65 / 96

Which of the following property is not present in hydrocarbons?

66 / 96

Addition of hydrogen is called _________

67 / 96

Substitution reaction is the characteristics of__________

68 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

69 / 96

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

70 / 96

In dry cleaning, which chemical is used?

71 / 96

Number of bonds present in methane________

72 / 96

Carbon black is used in the manufacture of_______

73 / 96

Alkanes do not react in__________

74 / 96

paraffins means________

75 / 96

Carbon has valency_______

76 / 96

Methane is also called ______

77 / 96

Incomplete combustion of alkanes produces __________

78 / 96

Di-methy acetylene is also called___________

79 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

80 / 96

A solution of bromine in water having colour________

81 / 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 ?

82 / 96

Due to which property alkane are used as fuel___________

83 / 96

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

84 / 96

The alkanes consisting of C5 to C10 are__________

85 / 96

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

86 / 96

Methane forms natural gas about___________

87 / 96

Which of the following has higher energy?

88 / 96

Some orchids attract bees for pollination by producing_________

89 / 96

Traces of acetylene are present in coal gas about_________

90 / 96

Chloroform is used for__________

91 / 96

Glyoxal is oxidize into_________

92 / 96

The Hydrocarbons having double bond are called _________

93 / 96

Which one of the following is a substitution reaction?

94 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

95 / 96

The reduction of alkyl halides takes place in the presence of___________

96 / 96

Traces of acetylene are present in coal gas about ___________

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Chemistry Notes, Solved Problems for Class 10th

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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

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