Chemistry Notes

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

Specific heat capacity of water is _____________

2 / 61

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

3 / 61

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

4 / 61

The removal of which ion causes water softening.

5 / 61

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

6 / 61

Hard water can cause____________

7 / 61

Temporary hardness is removed by adding _____________

8 / 61

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

9 / 61

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

10 / 61

Which is not a heavy metal?

11 / 61

Gypsum in water is ____________

12 / 61

Vibrious cholera causes _______

13 / 61

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

14 / 61

Which of the following is soluble in water?

15 / 61

Water which produces good lather with soap is called __________

16 / 61

The percentage of oceans in world water is _______

17 / 61

Soap is the sodium salt of long chain of _____________

18 / 61

Which organ ceases to function during Jaundice?

19 / 61

Industrial effluents are highly____________

20 / 61

Water molecules show structure _________

21 / 61

Which element protects teeth from decay?

22 / 61

Permanent hardness is removed by adding__________

23 / 61

Acute lead poisoning causes dysfunction of_____________

24 / 61

Swimming pools are cleaned by the process________

25 / 61

Chemical formula of lime stone is _____________

26 / 61

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

27 / 61

Chemical form of gypsum___________

28 / 61

Which hepatitis is caused by contaminated water?

29 / 61

Which one of the following diseases causes liver inflammation?

30 / 61

Acute cadmium poisoning causes __________

31 / 61

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

32 / 61

Temporary hardness is due to the presence of bicarbonates of __________

33 / 61

Which disease is caused by polluted water?

34 / 61

The freezing point of water is _____________

35 / 61

Sodium zeolite is naturally occurring reason of___________

36 / 61

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

37 / 61

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

38 / 61

Chemical formula of hypochlorous acid is __________

39 / 61

Example of pest is___________

40 / 61

Water dissolves non-ionic compound by ________

41 / 61

Calcium carbonate is in water _________

42 / 61

Which element do not cause toxicity in water?

43 / 61

Inland water includes _________________

44 / 61

Maximum density of water at 4°C is _______________

45 / 61

Hook worm larvae enter the body through __________

46 / 61

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

47 / 61

Hookworm infects ___________

48 / 61

Which of the following salt is soluble in water?

49 / 61

The heat capacity of water is _____________

50 / 61

The percentage of potable water on earth is____________

51 / 61

Temporary hardness is because of______________

52 / 61

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

53 / 61

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

54 / 61

Temporary hardness in water can be removed by ___________

55 / 61

The percentage of water in human body is_____

56 / 61

Neurological damage is caused by the poisoning of__________

57 / 61

Which of the following is insoluble in water?

58 / 61

The boiling point of water is ____________

59 / 61

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

60 / 61

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

61 / 61

Water has a maximum density at __________

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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

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Chemistry Ch#16, 10th Class

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1 / 53

Metallurgy involves which of the following steps?

2 / 53

In the bessemerization process__________

3 / 53

How many % age of nitrogen in urea fertilizers?

4 / 53

The elements that do not conduct heat and electricity are called_________

5 / 53

The number of carbon atoms present in petroleum gas_______

6 / 53

The nitrogen present in urea is used by plants to synthesize_________

7 / 53

When crude oil is heated in the fractionating tower__________

8 / 53

Sindh Alkalies Limited was established near Karachi in ___________

9 / 53

The number of carbon atoms present in petroleum ether _________

10 / 53

When NaHCO3 is heated it forms________

  • CO2
  • Ca(OH)2
  • CaCO3
  • CaO

Which Option is Correct ?

11 / 53

Concentration of the copper ore is carried out by___________

12 / 53

Formula of soda ash is___________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

13 / 53

The number of carbon atoms present in kerosene oil_______

14 / 53

How many % age of urea is used as fertilizers?

15 / 53

Red hair contains compounds of____________

16 / 53

Compounds of metals exist under earth crust are called_______

17 / 53

The residual oil is heated above 400-C to produce___________

18 / 53

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

19 / 53

Matte is a mixture of_____________

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

Which Option is Correct ?

20 / 53

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

21 / 53

Crude oil is heated in fractionating furnace upto_________

22 / 53

Blonde hair contains compounds of____________

23 / 53

In Solvay’s process slaked lime is used to_________

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

Which Option is Correct?

24 / 53

Froth flotation process is used to concentrate_________

25 / 53

Raw materials used in Solvay process.

26 / 53

Sodium carbonate is manufactured by___________

27 / 53

Froth flotation process is used to concentrate the ore on________

28 / 53

Which one is not metal?

29 / 53

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

30 / 53

Concentration is a separating technique in which mineral is separated from___________

31 / 53

Which contains sufficient amount of metal?

32 / 53

Ammonia is prepared by the process__________

33 / 53

Concentration is a __________

34 / 53

Which one of the ore of copper?

35 / 53

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

36 / 53

The number of carbon atoms present in gasoline or petrol________

37 / 53

The raw materials for the manufacturing of urea are ___________

38 / 53

The number of carbon atoms present in diesel oil______________

39 / 53

Formula of urea is__________

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

Which Option is Correct ?

40 / 53

Brown hair contains___________

41 / 53

Which one is not metal?

42 / 53

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

43 / 53

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

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

Which Option is Correct ?

44 / 53

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

  • C2H4
  • C3H8
  • C7H10
  • C12H26

Which Option is Correct ?

45 / 53

Ammonical brine is prepared by dissolving ammonia gas in ______

  • NaCl
  • CaCO3
  • CaCl2
  • Na2SO4

Which Option is Correct ?

46 / 53

Imperial chemical industries (ICT) was established in_________

47 / 53

Which one of the following is used as jet fuel ?

48 / 53

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

49 / 53

Extraction of metals from its ores is called___________

50 / 53

The number of carbon atoms present in fuel oil_______________

51 / 53

A saturated solution of sodium chloride is called _____________

52 / 53

Blast furnace usually used for the metallurgy of__________

53 / 53

Formula of baking soda is________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

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Musa00:23:46 Feb 02, 202683%
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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

Atmosphere has ___________regions.

2 / 77

Which is the major effect of global warming?

3 / 77

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

  • CO2
  • CO
  • N2
  • O3

Select Correct Option

4 / 77

Which is not an air pollutant?

  • CO2
  • SO2
  • CO
  • NH3

Which Option is Correct?

5 / 77

The pH of acid rain is___________

6 / 77

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

7 / 77

Which factor determines the severity of a pollutant?

8 / 77

Which is not a poisonous gas?

9 / 77

Buildings are being damaged by acid rain because it attacks_________

10 / 77

The gas used by animals to perform respiration is ________

  • O2
  • N2
  • SO2
  • Cl2

Select Correct Option

11 / 77

How many Natural Systems Are Exist on our Earth?

12 / 77

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

13 / 77

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

  • CO
  • O3
  • NO2
  • SO2

(Select Correct Option)

14 / 77

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

15 / 77

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

  • CO2
  • O2
  • N2
  • All of these

Which Option is Correct

16 / 77

Ultraviolet radiations can cause___________

17 / 77

Normally rain water is weakly acidic because of____________

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

(Select Correct Option)

18 / 77

The pH of water containing CO2 is_____

19 / 77

Which gas is responsible in warming the atmosphere?

20 / 77

Which gas is emitted due to volcanic eruption?

  • CO2
  • SO2
  • NO2
  • H2

Which Option is Correct?

21 / 77

Ozone has a smell like _________

22 / 77

The recombination of O and O2 in mid stratosphere is an_______

23 / 77

Which gas is the major constituent of troposphere?

24 / 77

High concentration of which metal clogs the fish gills.

25 / 77

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

26 / 77

Effects of ozone depletion are following except the one_____

27 / 77

Catalytic converters convert_____________

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

Which Option is Correct?

28 / 77

At which region all weather occurs?

29 / 77

Which pollutant is responsible for changing weather?

30 / 77

Which one of the followings is not a greenhouse Effect?

31 / 77

Iron and steel structure are damaged by___________

32 / 77

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

33 / 77

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

34 / 77

Almost all air crafts fly in which region?

35 / 77

Fossil fuel means __________

36 / 77

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

37 / 77

Major portion of ozone layer is found in__________

38 / 77

The envelope of different gases around the earth is called___________

39 / 77

Which gas is in involved in ozone depletion?

40 / 77

Just above the Earth surface is called __________

41 / 77

PAN strands for__________

42 / 77

Which is not a part of flue gas?

43 / 77

Which one of the following is not an air pollutant?

44 / 77

The region of ozone decomposition in stratosphere is_______

45 / 77

Thermosphere lies beyond__________

46 / 77

The smell of photocopies machine is due to the presence of_________

47 / 77

A pollutant is a waste material that pollutes_____________

48 / 77

Ozone layer is not found in__________

49 / 77

A group of gases that maintains temperature of atmosphere are __________

50 / 77

The gas used by plants to perform photosynthesis is ________

  • O2
  • CO2
  • N2
  • CO

Which Option is Correct?

51 / 77

Incinerator reduces solid waste into__________

52 / 77

About 99% atmosphere mass lies within_________

53 / 77

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

54 / 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)

55 / 77

Which gas is produced by the electrical lightening of air?

  • NO
  • SO2
  • SO3
  • CO2

Select Correct Option

56 / 77

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

57 / 77

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

58 / 77

99% of atmosphere consists of___________

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

Select Correct Option

59 / 77

Which of the following is a secondary pollutant?

60 / 77

The percentage by volume of nitrogen in dry gas is_______

61 / 77

Ozone is beneficial for us as it_________

62 / 77

Which of the following is a poisonous gas?

63 / 77

Forest fires and burning of wood emit_________

  • CO2
  • NO2
  • SO2
  • Cl2

which Option is Correct?

64 / 77

The Earth’s atmosphere is getting hotter because of____________

65 / 77

Which gas is also known as life gas for plants?

  • CO
  • O2
  • CO2
  • NO2

Which Option is Correct?

66 / 77

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

67 / 77

The region in which ozone layer depletes is called___________

68 / 77

Which is not a characteristic of SO2

69 / 77

Carbon monoxide is harmful to us because______________

70 / 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

71 / 77

Global warming is because of_____________

72 / 77

Ozone depletion was first noticed in ___________

73 / 77

Higher concentration of CO causes__________

74 / 77

Which of the following can be used as a fuel?

75 / 77

Mesosphere has a temperature range__________

76 / 77

Ozone is an allotropic form of____________

77 / 77

The percentage of sunlight absorbed by atmospheric gases is_________

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MCQs in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

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

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

Conceptual Questions Chemistry class 10 pdf

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

 

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

                     Chapter-09 (01) – Chemical Equilibrium

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

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-13

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

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

In hydrogenation of vegetable oil catalyst employed is________

2 / 121

Oil exists in form of___________

3 / 121

The nature of enzyme is____________

4 / 121

Thousands of amino acids polymerize to form__________

5 / 121

Disease of deficiency of vitamin A is_______

6 / 121

Which one of the following cannot be hydrolyzed?

7 / 121

The energy provided by carbohydrates in per gram ______

8 / 121

When bones are heated, they give____________

9 / 121

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

10 / 121

Denaturing of protein is caused by______________

11 / 121

Deficiency of Vitamin E causes_________

12 / 121

Glucose and fructose are_________

13 / 121

Ethyl butanoate smells like__________

14 / 121

Proteins are essential for the formation of________

15 / 121

Which is not a reducing sugar?

16 / 121

General formula of carbohydrate is_________

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

(Select Correct Option)

17 / 121

Dextrose solution contain_________ calories of energy.

18 / 121

The most important oligosaccharide is____________

19 / 121

White viscous fluid (albumen) present in an egg is______________

20 / 121

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

21 / 121

Maltose is commonly found in_________

22 / 121

Which one of the following vitamins is water soluble?

23 / 121

Which one of the following is a reducing sugar?

24 / 121

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

25 / 121

The most important disaccharide is__________

26 / 121

The glucose is further polymerized to form_________

27 / 121

Monosaccharides are crystalline solids________

28 / 121

50% dextrose contains approximate amount of energy_________

29 / 121

Deficiency of vitamin D cause __________

30 / 121

Smell of rancid butter is due to the presence of_______________

31 / 121

Which carbohydrate is used directly by muscles for energy?

32 / 121

RNA stands for _________

33 / 121

Fats and oils are _________ foods.

34 / 121

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

35 / 121

Eggs, Oils and fats contain vitamin_____________

36 / 121

___________is a poor conductor

37 / 121

Ethyl butanoate smells like__________

38 / 121

Mono-saccharides are ________sugars.

39 / 121

Which is the essential sugar found in milk?

40 / 121

Which of the following is tasteless?

41 / 121

Vitamins were discovered in________

42 / 121

RNA act role as _________

43 / 121

Chemical formula of Stearic acid__________

  • C15H31COOH
  • C17H35COOH
  • C17H37COOH
  • None of these

Select Correct Option

44 / 121

Gelatin is used in ________

45 / 121

Accessories growth factors later named vitamins by________

46 / 121

Vitamin B, was discovered by__________

47 / 121

Which is the natural sugar found in starchy foods?

48 / 121

Source of simple sugar is_________

49 / 121

Tetra-saccharides are classified under__________

50 / 121

Carbohydrates are__________

51 / 121

Solomon and Wales oil is used as __________

52 / 121

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

53 / 121

Chemical formula of amino group is___________

  • NH3
  • NH
  • NH4+
  • COOH

(Select Correct Option)

54 / 121

Carbohydrates is directly used by__________

55 / 121

DNA was discovered by__________

56 / 121

________is responsible for the transmission of genetic information.

57 / 121

Vitamin C is also called________

58 / 121

Synthesis of protein is directed by____________

59 / 121

Butter and fats are obtained from_________

60 / 121

Lipids are macromolecules made up of____________

61 / 121

Which one is found in bones?

62 / 121

Carbohydrates are molecule_______

63 / 121

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

64 / 121

Glucose is_____________

65 / 121

Which of the followings is a disaccharide?

66 / 121

Which one is a proteins?

67 / 121

Carbohydrates are ________ in water.

68 / 121

___________is essential component living cells.

69 / 121

Monosaccharides consists of number of carbon atoms_______

70 / 121

Marine source of oil is _______

71 / 121

Nature of polysaccharides is__________

72 / 121

Energy provided by carbohydrate is __________

73 / 121

Starch is commonly found in____________

74 / 121

Triglycerides are fatty acids____________

75 / 121

Amino acids are the building blocks of_________

76 / 121

Starch is found in____________

77 / 121

Lipids are made of ___________

78 / 121

Rancid butter has________________

79 / 121

Which helps to keep the bowel functioning properly?

80 / 121

The important mono-saccharides is ______

81 / 121

The source of galactose_________

82 / 121

Fats exists in_________

83 / 121

Nucleic acids are made up of long chain of___________

84 / 121

The percentage of protein in dry weight of cell_______

85 / 121

Monosaccharides cannot be _________

86 / 121

Which of the followings is a triglyceride?

87 / 121

Carbohydrates regulate the amount of _________ in our body.

88 / 121

Low sugar level in human body results in______________

89 / 121

Polysaccharides is _______solid.

90 / 121

DNA structure was discovered in __________

91 / 121

Amino acids are linked with each other through________

92 / 121

Esters of butanoic acids have ________ smell.

93 / 121

___________ is an example of pure cellular.

94 / 121

___________ is synthesizes by Plants.

95 / 121

Margarine is produced by adding ___________ to vegetable oil.

96 / 121

Oils and fats are esters of large chain fatty acids with__________

97 / 121

Maltose a disaccharide of two molecules________

98 / 121

Methyl butanoate smell like_______

99 / 121

Carbohydrates are synthesized by plants through_________

100 / 121

Margarine is produced by adding hydrogen to vegetable oil at___________

101 / 121

A bond formed between two amino acids is____________

102 / 121

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

103 / 121

Human body uses carbohydrates in the form of_________

104 / 121

The organic compound used as drugs to control bleeding are__________

105 / 121

Carbohydrates are synthesized by plants through______

106 / 121

Night blindness is because of deficiency of ________

107 / 121

Percentage of protein in dry weight of cell is _________

108 / 121

Photosynthesis process produces______

109 / 121

Amino acids are __________ of protein.

110 / 121

Fat soluble vitamins are ______

111 / 121

Protein is not found in____________

112 / 121

Which one of the following are amorphous solids?

113 / 121

When glucose and fructose combine, they produce_________

114 / 121

Funk discovered vitamin _________

115 / 121

Which helps in lowering of cholesterol level?

116 / 121

RNA consists of_________

117 / 121

Enzymes are proteins which have the following properties except___________

118 / 121

Which is a hereditary material?

119 / 121

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

120 / 121

Fructose contain group__________

121 / 121

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

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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

Glyoxal is oxidize into_________

2 / 96

Carbon black is used in the manufacture of_______

3 / 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

4 / 96

Alkanes are least reactive compounds because they are____________

5 / 96

Which is present 85% in natural gas?

6 / 96

Which of the following does not occur free in nature?

7 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

8 / 96

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

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

9 / 96

Which is the characteristics property of alkanes?

10 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

11 / 96

The alkanes consisting of C5 to C10 are__________

12 / 96

Formula of nascent hydrogen is_______

13 / 96

Chloroform is used for__________

14 / 96

Alkenes are produced in large amounts by cracking of_________

15 / 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)

16 / 96

The general formula of alkynes is_________

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

Which Option is Correct ?

17 / 96

Traces of acetylene are present in coal gas about ___________

18 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

19 / 96

Carbon has valency_______

20 / 96

Alkenes is also called ______

21 / 96

Ethylene oxide is used as _________

22 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

23 / 96

Due to increase in molar mass which property increases?

24 / 96

Dehydration means removal of__________

25 / 96

A solution of bromine in water having colour________

26 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

27 / 96

The end product of oxidation of acetylene is_______

28 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

29 / 96

Alkynes being more reactive than __________

30 / 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?

31 / 96

Alkyne forms____________

32 / 96

The order of reactivity of hydrogen halides with alkenes is__________

33 / 96

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

34 / 96

In shoe polishes, which chemical is used?

35 / 96

Methane forms natural gas about___________

36 / 96

Which of the following is a synthetic fiber?

37 / 96

Alkenes are insoluble in___________

38 / 96

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

39 / 96

Which of the following is not alcohol?

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

Select Correct Option

40 / 96

The example of rubbers is ________

41 / 96

Alkanes give reaction only _____

42 / 96

Di-methy acetylene is also called___________

43 / 96

Incomplete combustion of alkanes produces __________

44 / 96

Which is used as Anti-freezer?

45 / 96

Alkenes are prepared from alcohols by a process called_________

46 / 96

Number of bonds in propene is ______________

47 / 96

Amorphous forms of carbons are______

48 / 96

Alkanes do not react in__________

49 / 96

Alcohol is soluble in water due to ________

50 / 96

Ethene reacts with H2SO4 at temperature of_________

51 / 96

Which one of the following is a substitution reaction?

52 / 96

Incomplete combustion of alkanes produces________

53 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

54 / 96

Methane is also called ______

55 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

56 / 96

Which of the following has higher energy?

57 / 96

Some orchids attract bees for pollination by producing_________

58 / 96

paraffins means________

59 / 96

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

60 / 96

The density of alkane increases with the increase of _________

61 / 96

Traces of acetylene are present in coal gas about_________

62 / 96

Alkanes are also called ________

63 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

64 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

65 / 96

Dehydrohalogenation takes place in the presence of_____________

66 / 96

Due to which property alkane are used as fuel___________

67 / 96

Ethylene is present in natural gas sometimes to the extent of________

68 / 96

Detergents are the sodium salts of__________

69 / 96

The Hydrocarbons having double bond are called _________

70 / 96

The compound having at least one benzene ring are called________

71 / 96

Oxidation of ethene with KMnO4 produces______

72 / 96

Banana when ripped produces gas________

73 / 96

Which of the following property is not present in hydrocarbons?

74 / 96

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

75 / 96

Banaspati Ghee is also called______

76 / 96

Oxidation of alkenes produce______

77 / 96

Which of the following gas is used in warfare?

78 / 96

In dry cleaning, which chemical is used?

79 / 96

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

  • C3H8
  • C6H12
  • C4H10
  • C7H16

Which Option is Correct?

80 / 96

Which of the following is not a hydrocarbon?

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

Which Option is Correct ?

81 / 96

Number of bonds present in methane________

82 / 96

Which one of the following is more reactive?

83 / 96

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

84 / 96

Carbon tetra chloride is used in_______

85 / 96

Which one of the following is a substitution reaction?

86 / 96

Addition of hydrogen is called _________

87 / 96

Substitution reaction is the characteristics of__________

88 / 96

Benzene is formed by the polymerization of_______________

89 / 96

Which of the following is not a function of chloroform?

90 / 96

Which compound is used for welding process?

91 / 96

The reduction of alkyl halides takes place in the presence of___________

92 / 96

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

93 / 96

Those Hydrocarbons having high molecular mass are___________

94 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

95 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

96 / 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 ?

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Fatima Shahid22:36:13 Jan 10, 202556%
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Ruhma01:55:07 Dec 21, 202471%
Seerat19:00:45 Sep 15, 202425%
abdullah00:47:10 Apr 01, 202466%
MUHAMMAD10:41:22 Feb 07, 202469%
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RH>>11:39:04 Jan 31, 202468%
RH11:07:29 Jan 31, 202457%
zurriii10:26:48 Jan 08, 20240%
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aawa12:53:41 Dec 28, 20230%
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abdulahad20:05:28 Feb 13, 20235%
Adnan19:44:49 Nov 08, 202275%
RAFIA NIAZI20:57:28 Oct 11, 202213%
Kinza Nasir23:00:27 Oct 09, 202280%
sara14:50:18 Oct 09, 202233%
Abdullah05:17:21 Oct 03, 202253%
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Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan15:33:31 Sep 26, 202233%
JamjJz13:50:58 Sep 26, 202259%
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Khadim BalOch20:24:23 May 07, 202269%
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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.

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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