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

Vibrious cholera causes _______

2 / 61

Specific heat capacity of water is _____________

3 / 61

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

4 / 61

Which of the following is insoluble in water?

5 / 61

The percentage of oceans in world water is _______

6 / 61

Hookworm infects ___________

7 / 61

Gypsum in water is ____________

8 / 61

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

9 / 61

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

10 / 61

Soap is the sodium salt of long chain of _____________

11 / 61

Water dissolves non-ionic compound by ________

12 / 61

The freezing point of water is _____________

13 / 61

Chemical formula of hypochlorous acid is __________

14 / 61

Swimming pools are cleaned by the process________

15 / 61

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

16 / 61

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

17 / 61

Which organ ceases to function during Jaundice?

18 / 61

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

19 / 61

Temporary hardness in water can be removed by ___________

20 / 61

Which one of the following diseases causes liver inflammation?

21 / 61

Maximum density of water at 4°C is _______________

22 / 61

Which element protects teeth from decay?

23 / 61

Water molecules show structure _________

24 / 61

Example of pest is___________

25 / 61

Hook worm larvae enter the body through __________

26 / 61

Which of the following is soluble in water?

27 / 61

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

28 / 61

Which hepatitis is caused by contaminated water?

29 / 61

Water which produces good lather with soap is called __________

30 / 61

The heat capacity of water is _____________

31 / 61

Acute cadmium poisoning causes __________

32 / 61

Industrial effluents are highly____________

33 / 61

Which of the following salt is soluble in water?

34 / 61

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

35 / 61

Which disease is caused by polluted water?

36 / 61

Acute lead poisoning causes dysfunction of_____________

37 / 61

The percentage of potable water on earth is____________

38 / 61

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

39 / 61

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

40 / 61

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

41 / 61

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

42 / 61

Inland water includes _________________

43 / 61

Temporary hardness is because of______________

44 / 61

Which element do not cause toxicity in water?

45 / 61

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

46 / 61

Temporary hardness is removed by adding _____________

47 / 61

Permanent hardness is removed by adding__________

48 / 61

Which is not a heavy metal?

49 / 61

Neurological damage is caused by the poisoning of__________

50 / 61

Chemical formula of lime stone is _____________

51 / 61

The percentage of water in human body is_____

52 / 61

The boiling point of water is ____________

53 / 61

Water has a maximum density at __________

54 / 61

Temporary hardness is due to the presence of bicarbonates of __________

55 / 61

The removal of which ion causes water softening.

56 / 61

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

57 / 61

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

58 / 61

Calcium carbonate is in water _________

59 / 61

Chemical form of gypsum___________

60 / 61

Sodium zeolite is naturally occurring reason of___________

61 / 61

Hard water can cause____________

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

 

MCQs in PDF Format

 

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Short Questions in PDF Format

 

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Long Questions in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

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

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

Conceptual Questions Chemistry class 10 pdf

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

 

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

                     Chapter-09 (01) – Chemical Equilibrium

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

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2021 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-16

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

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

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Chemistry Ch#16, 10th Class

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1 / 53

The nitrogen present in urea is used by plants to synthesize_________

2 / 53

Formula of soda ash is___________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

3 / 53

Compounds of metals exist under earth crust are called_______

4 / 53

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

5 / 53

Which one of the following is used as jet fuel ?

6 / 53

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

7 / 53

Concentration is a __________

8 / 53

A saturated solution of sodium chloride is called _____________

9 / 53

Froth flotation process is used to concentrate the ore on________

10 / 53

Sindh Alkalies Limited was established near Karachi in ___________

11 / 53

Red hair contains compounds of____________

12 / 53

Concentration of the copper ore is carried out by___________

13 / 53

In the bessemerization process__________

14 / 53

Imperial chemical industries (ICT) was established in_________

15 / 53

Metallurgy involves which of the following steps?

16 / 53

Extraction of metals from its ores is called___________

17 / 53

Ammonia is prepared by the process__________

18 / 53

Sodium carbonate is manufactured by___________

19 / 53

Blast furnace usually used for the metallurgy of__________

20 / 53

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

21 / 53

The number of carbon atoms present in petroleum gas_______

22 / 53

Crude oil is heated in fractionating furnace upto_________

23 / 53

Blonde hair contains compounds of____________

24 / 53

The residual oil is heated above 400-C to produce___________

25 / 53

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

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

Which Option is Correct ?

26 / 53

Formula of urea is__________

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

Which Option is Correct ?

27 / 53

Which one of the ore of copper?

28 / 53

Which contains sufficient amount of metal?

29 / 53

The raw materials for the manufacturing of urea are ___________

30 / 53

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

31 / 53

The number of carbon atoms present in kerosene oil_______

32 / 53

Formula of baking soda is________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

33 / 53

Matte is a mixture of_____________

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

Which Option is Correct ?

34 / 53

Which one is not metal?

35 / 53

Ammonical brine is prepared by dissolving ammonia gas in ______

  • NaCl
  • CaCO3
  • CaCl2
  • Na2SO4

Which Option is Correct ?

36 / 53

Which one is not metal?

37 / 53

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

38 / 53

Brown hair contains___________

39 / 53

In Solvay’s process slaked lime is used to_________

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

Which Option is Correct?

40 / 53

The number of carbon atoms present in petroleum ether _________

41 / 53

Concentration is a separating technique in which mineral is separated from___________

42 / 53

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

43 / 53

The number of carbon atoms present in fuel oil_______________

44 / 53

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

  • C2H4
  • C3H8
  • C7H10
  • C12H26

Which Option is Correct ?

45 / 53

How many % age of nitrogen in urea fertilizers?

46 / 53

The number of carbon atoms present in gasoline or petrol________

47 / 53

The elements that do not conduct heat and electricity are called_________

48 / 53

When NaHCO3 is heated it forms________

  • CO2
  • Ca(OH)2
  • CaCO3
  • CaO

Which Option is Correct ?

49 / 53

Froth flotation process is used to concentrate_________

50 / 53

When crude oil is heated in the fractionating tower__________

51 / 53

The number of carbon atoms present in diesel oil______________

52 / 53

Raw materials used in Solvay process.

53 / 53

How many % age of urea is used as fertilizers?

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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

Here MCQs for your Revision

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1 / 77

Thermosphere lies beyond__________

2 / 77

PAN strands for__________

3 / 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)

4 / 77

Catalytic converters convert_____________

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

Which Option is Correct?

5 / 77

Ozone has a smell like _________

6 / 77

A group of gases that maintains temperature of atmosphere are __________

7 / 77

99% of atmosphere consists of___________

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

Select Correct Option

8 / 77

Which of the following can be used as a fuel?

9 / 77

The percentage by volume of nitrogen in dry gas is_______

10 / 77

Iron and steel structure are damaged by___________

11 / 77

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

12 / 77

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

13 / 77

The gas used by animals to perform respiration is ________

  • O2
  • N2
  • SO2
  • Cl2

Select Correct Option

14 / 77

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

15 / 77

Ozone is beneficial for us as it_________

16 / 77

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

17 / 77

A pollutant is a waste material that pollutes_____________

18 / 77

Just above the Earth surface is called __________

19 / 77

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

20 / 77

The recombination of O and O2 in mid stratosphere is an_______

21 / 77

Atmosphere has ___________regions.

22 / 77

Which gas is responsible in warming the atmosphere?

23 / 77

The smell of photocopies machine is due to the presence of_________

24 / 77

Which gas is emitted due to volcanic eruption?

  • CO2
  • SO2
  • NO2
  • H2

Which Option is Correct?

25 / 77

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

26 / 77

How many Natural Systems Are Exist on our Earth?

27 / 77

Higher concentration of CO causes__________

28 / 77

Which is not a part of flue gas?

29 / 77

Global warming is because of_____________

30 / 77

Which of the following is a poisonous gas?

31 / 77

Ozone layer is not found in__________

32 / 77

Which factor determines the severity of a pollutant?

33 / 77

Normally rain water is weakly acidic because of____________

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

(Select Correct Option)

34 / 77

The percentage of sunlight absorbed by atmospheric gases is_________

35 / 77

Which is the major effect of global warming?

36 / 77

Carbon monoxide is harmful to us because______________

37 / 77

Which gas is also known as life gas for plants?

  • CO
  • O2
  • CO2
  • NO2

Which Option is Correct?

38 / 77

The pH of water containing CO2 is_____

39 / 77

The pH of acid rain is___________

40 / 77

Which of the following is a secondary pollutant?

41 / 77

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

42 / 77

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

43 / 77

The region of ozone decomposition in stratosphere is_______

44 / 77

Ozone is an allotropic form of____________

45 / 77

Which gas is produced by the electrical lightening of air?

  • NO
  • SO2
  • SO3
  • CO2

Select Correct Option

46 / 77

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

  • CO2
  • O2
  • N2
  • All of these

Which Option is Correct

47 / 77

Which is not a characteristic of SO2

48 / 77

Forest fires and burning of wood emit_________

  • CO2
  • NO2
  • SO2
  • Cl2

which Option is Correct?

49 / 77

The Earth’s atmosphere is getting hotter because of____________

50 / 77

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

51 / 77

Which is not an air pollutant?

  • CO2
  • SO2
  • CO
  • NH3

Which Option is Correct?

52 / 77

Which one of the followings is not a greenhouse Effect?

53 / 77

Effects of ozone depletion are following except the one_____

54 / 77

About 99% atmosphere mass lies within_________

55 / 77

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

  • CO2
  • CO
  • N2
  • O3

Select Correct Option

56 / 77

Ultraviolet radiations can cause___________

57 / 77

Buildings are being damaged by acid rain because it attacks_________

58 / 77

Incinerator reduces solid waste into__________

59 / 77

Which pollutant is responsible for changing weather?

60 / 77

The region in which ozone layer depletes is called___________

61 / 77

Fossil fuel means __________

62 / 77

Which gas is in involved in ozone depletion?

63 / 77

The gas used by plants to perform photosynthesis is ________

  • O2
  • CO2
  • N2
  • CO

Which Option is Correct?

64 / 77

Almost all air crafts fly in which region?

65 / 77

Major portion of ozone layer is found in__________

66 / 77

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

67 / 77

High concentration of which metal clogs the fish gills.

68 / 77

Which one of the following is not an air pollutant?

69 / 77

Which gas is the major constituent of troposphere?

70 / 77

Which is not a poisonous gas?

71 / 77

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

72 / 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

73 / 77

At which region all weather occurs?

74 / 77

The envelope of different gases around the earth is called___________

75 / 77

Mesosphere has a temperature range__________

76 / 77

Ozone depletion was first noticed in ___________

77 / 77

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

  • CO
  • O3
  • NO2
  • SO2

(Select Correct Option)

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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

Tetra-saccharides are classified under__________

2 / 121

Energy provided by carbohydrate is __________

3 / 121

Maltose a disaccharide of two molecules________

4 / 121

Chemical formula of Stearic acid__________

  • C15H31COOH
  • C17H35COOH
  • C17H37COOH
  • None of these

Select Correct Option

5 / 121

Rancid butter has________________

6 / 121

The most important oligosaccharide is____________

7 / 121

Proteins are essential for the formation of________

8 / 121

DNA was discovered by__________

9 / 121

Carbohydrates are synthesized by plants through______

10 / 121

Esters of butanoic acids have ________ smell.

11 / 121

Butter and fats are obtained from_________

12 / 121

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

13 / 121

Starch is commonly found in____________

14 / 121

Vitamin C is also called________

15 / 121

Which one is found in bones?

16 / 121

Nucleic acids are made up of long chain of___________

17 / 121

Amino acids are __________ of protein.

18 / 121

RNA act role as _________

19 / 121

Enzymes are proteins which have the following properties except___________

20 / 121

Starch is found in____________

21 / 121

Smell of rancid butter is due to the presence of_______________

22 / 121

Carbohydrates are__________

23 / 121

Fats exists in_________

24 / 121

Marine source of oil is _______

25 / 121

The source of galactose_________

26 / 121

Polysaccharides is _______solid.

27 / 121

Source of simple sugar is_________

28 / 121

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

29 / 121

Which is the essential sugar found in milk?

30 / 121

Vitamin B, was discovered by__________

31 / 121

Thousands of amino acids polymerize to form__________

32 / 121

Night blindness is because of deficiency of ________

33 / 121

Nature of polysaccharides is__________

34 / 121

___________ is an example of pure cellular.

35 / 121

Methyl butanoate smell like_______

36 / 121

Gelatin is used in ________

37 / 121

White viscous fluid (albumen) present in an egg is______________

38 / 121

___________is essential component living cells.

39 / 121

Fructose contain group__________

40 / 121

___________is a poor conductor

41 / 121

Maltose is commonly found in_________

42 / 121

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

43 / 121

The energy provided by carbohydrates in per gram ______

44 / 121

Photosynthesis process produces______

45 / 121

Low sugar level in human body results in______________

46 / 121

RNA stands for _________

47 / 121

The organic compound used as drugs to control bleeding are__________

48 / 121

Ethyl butanoate smells like__________

49 / 121

Protein is not found in____________

50 / 121

RNA consists of_________

51 / 121

Fat soluble vitamins are ______

52 / 121

The percentage of protein in dry weight of cell_______

53 / 121

Carbohydrates are synthesized by plants through_________

54 / 121

Monosaccharides cannot be _________

55 / 121

Amino acids are linked with each other through________

56 / 121

Vitamins were discovered in________

57 / 121

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

58 / 121

Carbohydrates are ________ in water.

59 / 121

Accessories growth factors later named vitamins by________

60 / 121

Disease of deficiency of vitamin A is_______

61 / 121

Amino acids are the building blocks of_________

62 / 121

Oil exists in form of___________

63 / 121

Denaturing of protein is caused by______________

64 / 121

Dextrose solution contain_________ calories of energy.

65 / 121

Ethyl butanoate smells like__________

66 / 121

Which carbohydrate is used directly by muscles for energy?

67 / 121

Funk discovered vitamin _________

68 / 121

DNA structure was discovered in __________

69 / 121

Oils and fats are esters of large chain fatty acids with__________

70 / 121

General formula of carbohydrate is_________

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

(Select Correct Option)

71 / 121

Which of the following is tasteless?

72 / 121

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

73 / 121

50% dextrose contains approximate amount of energy_________

74 / 121

Which helps to keep the bowel functioning properly?

75 / 121

Chemical formula of amino group is___________

  • NH3
  • NH
  • NH4+
  • COOH

(Select Correct Option)

76 / 121

Margarine is produced by adding ___________ to vegetable oil.

77 / 121

Solomon and Wales oil is used as __________

78 / 121

Which one of the following vitamins is water soluble?

79 / 121

Synthesis of protein is directed by____________

80 / 121

The glucose is further polymerized to form_________

81 / 121

Monosaccharides consists of number of carbon atoms_______

82 / 121

________is responsible for the transmission of genetic information.

83 / 121

In hydrogenation of vegetable oil catalyst employed is________

84 / 121

Margarine is produced by adding hydrogen to vegetable oil at___________

85 / 121

Which is the natural sugar found in starchy foods?

86 / 121

Carbohydrates is directly used by__________

87 / 121

Human body uses carbohydrates in the form of_________

88 / 121

A bond formed between two amino acids is____________

89 / 121

Which is a hereditary material?

90 / 121

The nature of enzyme is____________

91 / 121

Carbohydrates are molecule_______

92 / 121

Which one of the following are amorphous solids?

93 / 121

The most important disaccharide is__________

94 / 121

Which is not a reducing sugar?

95 / 121

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

96 / 121

Triglycerides are fatty acids____________

97 / 121

Which of the followings is a triglyceride?

98 / 121

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

99 / 121

Which one of the following is a reducing sugar?

100 / 121

Carbohydrates regulate the amount of _________ in our body.

101 / 121

Deficiency of Vitamin E causes_________

102 / 121

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

103 / 121

Which one is a proteins?

104 / 121

Which helps in lowering of cholesterol level?

105 / 121

When glucose and fructose combine, they produce_________

106 / 121

Monosaccharides are crystalline solids________

107 / 121

The important mono-saccharides is ______

108 / 121

Lipids are made of ___________

109 / 121

___________ is synthesizes by Plants.

110 / 121

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

111 / 121

Lipids are macromolecules made up of____________

112 / 121

Mono-saccharides are ________sugars.

113 / 121

Percentage of protein in dry weight of cell is _________

114 / 121

Glucose is_____________

115 / 121

Glucose and fructose are_________

116 / 121

Which of the followings is a disaccharide?

117 / 121

Which one of the following cannot be hydrolyzed?

118 / 121

Eggs, Oils and fats contain vitamin_____________

119 / 121

When bones are heated, they give____________

120 / 121

Deficiency of vitamin D cause __________

121 / 121

Fats and oils are _________ foods.

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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

Ethene reacts with H2SO4 at temperature of_________

2 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

3 / 96

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

4 / 96

Alcohol is soluble in water due to ________

5 / 96

Methane is also called ______

6 / 96

A solution of bromine in water having colour________

7 / 96

Those Hydrocarbons having high molecular mass are___________

8 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

9 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

10 / 96

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

11 / 96

Alkyne forms____________

12 / 96

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

13 / 96

Carbon has valency_______

14 / 96

Number of bonds present in methane________

15 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

16 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

17 / 96

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

18 / 96

In shoe polishes, which chemical is used?

19 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

20 / 96

Number of bonds in propene is ______________

21 / 96

Carbon tetra chloride is used in_______

22 / 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?

23 / 96

Incomplete combustion of alkanes produces __________

24 / 96

Alkanes give reaction only _____

25 / 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?

26 / 96

Substitution reaction is the characteristics of__________

27 / 96

Traces of acetylene are present in coal gas about_________

28 / 96

Alkanes are also called ________

29 / 96

Which of the following gas is used in warfare?

30 / 96

Traces of acetylene are present in coal gas about ___________

31 / 96

Glyoxal is oxidize into_________

32 / 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 ?

33 / 96

Incomplete combustion of alkanes produces________

34 / 96

Methane forms natural gas about___________

35 / 96

Which one of the following is a substitution reaction?

36 / 96

The density of alkane increases with the increase of _________

37 / 96

Oxidation of alkenes produce______

38 / 96

Alkenes are produced in large amounts by cracking of_________

39 / 96

paraffins means________

40 / 96

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

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

41 / 96

Di-methy acetylene is also called___________

42 / 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)

43 / 96

Alkenes are insoluble in___________

44 / 96

Which one of the following is a substitution reaction?

45 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

46 / 96

The general formula of alkynes is_________

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

Which Option is Correct ?

47 / 96

Due to which property alkane are used as fuel___________

48 / 96

Which is the characteristics property of alkanes?

49 / 96

Chloroform is used for__________

50 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

51 / 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

52 / 96

Which of the following is not alcohol?

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

Select Correct Option

53 / 96

Oxidation of ethene with KMnO4 produces______

54 / 96

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

55 / 96

Due to increase in molar mass which property increases?

56 / 96

Ethylene oxide is used as _________

57 / 96

Which one of the following is more reactive?

58 / 96

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

59 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

60 / 96

In dry cleaning, which chemical is used?

61 / 96

Amorphous forms of carbons are______

62 / 96

Which of the following has higher energy?

63 / 96

Which of the following is not a hydrocarbon?

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

Which Option is Correct ?

64 / 96

Addition of hydrogen is called _________

65 / 96

Banana when ripped produces gas________

66 / 96

The example of rubbers is ________

67 / 96

Banaspati Ghee is also called______

68 / 96

The end product of oxidation of acetylene is_______

69 / 96

The Hydrocarbons having double bond are called _________

70 / 96

Ethylene is present in natural gas sometimes to the extent of________

71 / 96

Dehydration means removal of__________

72 / 96

Alkenes is also called ______

73 / 96

Which of the following is a synthetic fiber?

74 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

75 / 96

Alkanes are least reactive compounds because they are____________

76 / 96

Alkenes are prepared from alcohols by a process called_________

77 / 96

The compound having at least one benzene ring are called________

78 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

79 / 96

Benzene is formed by the polymerization of_______________

80 / 96

Detergents are the sodium salts of__________

81 / 96

Which is present 85% in natural gas?

82 / 96

Which compound is used for welding process?

83 / 96

Carbon black is used in the manufacture of_______

84 / 96

Some orchids attract bees for pollination by producing_________

85 / 96

Dehydrohalogenation takes place in the presence of_____________

86 / 96

Formula of nascent hydrogen is_______

87 / 96

The reduction of alkyl halides takes place in the presence of___________

88 / 96

Alkanes do not react in__________

89 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

90 / 96

Which of the following does not occur free in nature?

91 / 96

Alkynes being more reactive than __________

92 / 96

The alkanes consisting of C5 to C10 are__________

93 / 96

Which of the following is not a function of chloroform?

94 / 96

Which of the following property is not present in hydrocarbons?

95 / 96

Which is used as Anti-freezer?

96 / 96

The order of reactivity of hydrogen halides with alkenes is__________

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Fatima Shahid22:36:13 Jan 10, 202556%
M.Binyameen Niazi12:44:08 Dec 25, 202429%
Ruhma01:55:07 Dec 21, 202471%
Seerat19:00:45 Sep 15, 202425%
abdullah00:47:10 Apr 01, 202466%
MUHAMMAD10:41:22 Feb 07, 202469%
rAiMaA>>11:49:56 Jan 31, 202486%
RH>>11:39:04 Jan 31, 202468%
RH11:07:29 Jan 31, 202457%
zurriii10:26:48 Jan 08, 20240%
mm15:28:18 Jan 01, 20240%
m15:23:00 Jan 01, 20240%
aawa12:53:41 Dec 28, 20230%
1112:52:46 Dec 28, 20230%
1112:52:37 Dec 28, 20230%
tania14:48:34 Dec 27, 20230%
tania14:47:39 Dec 27, 20230%
Guest11:03:50 Dec 26, 20230%
Hadia noor11:01:06 Dec 26, 20230%
moosa kashif20:54:22 Dec 21, 20230%
zainab21:08:07 Dec 20, 202312%
abdul19:31:59 Dec 13, 202377%
m01:03:37 Nov 17, 202363%
sadaf shah10:12:28 Jul 22, 202347%
Basharat16:14:39 Jul 14, 202341%
Basharat13:07:07 Jul 14, 202319%
df20:14:23 Apr 25, 202325%
Dr.Abeera Zainab22:55:16 Apr 08, 202328%
hassan21:13:57 Feb 25, 202342%
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%
Queen08:22:29 Oct 01, 202226%
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%
Tuu12:07:49 Sep 26, 20222%
Parivash14:16:06 May 15, 202228%
shank shakya21:18:41 May 11, 202238%
Khadim BalOch20:24:23 May 07, 202269%
Amna20:05:28 May 07, 202273%
Faizan13:30:52 Apr 19, 202240%
mantasha00:37:15 Apr 10, 202241%
Aneeza23:51:31 Apr 09, 202285%
Aneeza23:38:49 Apr 09, 202281%
Aneeza23:20:43 Apr 09, 202245%

 

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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