Solved Problems for Class 10th

Chemistry Notes for Class-10 Chapter-15

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

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

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Chemistry Ch#15, 10th Class

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1 / 61

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

2 / 61

The heat capacity of water is _____________

3 / 61

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

4 / 61

Permanent hardness is removed by adding__________

5 / 61

Specific heat capacity of water is _____________

6 / 61

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

7 / 61

Hook worm larvae enter the body through __________

8 / 61

The removal of which ion causes water softening.

9 / 61

The percentage of water in human body is_____

10 / 61

The freezing point of water is _____________

11 / 61

Hookworm infects ___________

12 / 61

Water has a maximum density at __________

13 / 61

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

14 / 61

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

15 / 61

Water molecules show structure _________

16 / 61

Which organ ceases to function during Jaundice?

17 / 61

Neurological damage is caused by the poisoning of__________

18 / 61

Water dissolves non-ionic compound by ________

19 / 61

Acute lead poisoning causes dysfunction of_____________

20 / 61

Which element do not cause toxicity in water?

21 / 61

Which one of the following diseases causes liver inflammation?

22 / 61

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

23 / 61

Hard water can cause____________

24 / 61

Maximum density of water at 4°C is _______________

25 / 61

Water which produces good lather with soap is called __________

26 / 61

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

27 / 61

Temporary hardness in water can be removed by ___________

28 / 61

Calcium carbonate is in water _________

29 / 61

Temporary hardness is because of______________

30 / 61

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

31 / 61

Sodium zeolite is naturally occurring reason of___________

32 / 61

Which disease is caused by polluted water?

33 / 61

The percentage of oceans in world water is _______

34 / 61

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

35 / 61

Vibrious cholera causes _______

36 / 61

Temporary hardness is removed by adding _____________

37 / 61

Acute cadmium poisoning causes __________

38 / 61

Which element protects teeth from decay?

39 / 61

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

40 / 61

The boiling point of water is ____________

41 / 61

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

42 / 61

Example of pest is___________

43 / 61

Which is not a heavy metal?

44 / 61

Chemical form of gypsum___________

45 / 61

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

46 / 61

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

47 / 61

Which of the following is insoluble in water?

48 / 61

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

49 / 61

Gypsum in water is ____________

50 / 61

Inland water includes _________________

51 / 61

Swimming pools are cleaned by the process________

52 / 61

Which hepatitis is caused by contaminated water?

53 / 61

The percentage of potable water on earth is____________

54 / 61

Soap is the sodium salt of long chain of _____________

55 / 61

Chemical formula of lime stone is _____________

56 / 61

Which of the following is soluble in water?

57 / 61

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

58 / 61

Temporary hardness is due to the presence of bicarbonates of __________

59 / 61

Industrial effluents are highly____________

60 / 61

Chemical formula of hypochlorous acid is __________

61 / 61

Which of the following salt is soluble in water?

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

 

MCQs in PDF Format

 

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Short Questions in PDF Format

 

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Long Questions in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

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

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

Conceptual Questions Chemistry class 10 pdf

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

 

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

                     Chapter-09 (01) – Chemical Equilibrium

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

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2021 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-16

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

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

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Chemistry Ch#16, 10th Class

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1 / 53

Which one is not metal?

2 / 53

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

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

Which Option is Correct ?

3 / 53

Which one of the following is used as jet fuel ?

4 / 53

In the bessemerization process__________

5 / 53

Matte is a mixture of_____________

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

Which Option is Correct ?

6 / 53

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

7 / 53

The number of carbon atoms present in petroleum gas_______

8 / 53

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

9 / 53

Concentration of the copper ore is carried out by___________

10 / 53

The number of carbon atoms present in diesel oil______________

11 / 53

A saturated solution of sodium chloride is called _____________

12 / 53

Blast furnace usually used for the metallurgy of__________

13 / 53

How many % age of nitrogen in urea fertilizers?

14 / 53

The number of carbon atoms present in fuel oil_______________

15 / 53

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

16 / 53

Concentration is a __________

17 / 53

Compounds of metals exist under earth crust are called_______

18 / 53

Blonde hair contains compounds of____________

19 / 53

How many % age of urea is used as fertilizers?

20 / 53

Crude oil is heated in fractionating furnace upto_________

21 / 53

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

22 / 53

The number of carbon atoms present in petroleum ether _________

23 / 53

Ammonia is prepared by the process__________

24 / 53

Which contains sufficient amount of metal?

25 / 53

Formula of urea is__________

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

Which Option is Correct ?

26 / 53

Froth flotation process is used to concentrate_________

27 / 53

The raw materials for the manufacturing of urea are ___________

28 / 53

Extraction of metals from its ores is called___________

29 / 53

The number of carbon atoms present in gasoline or petrol________

30 / 53

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

31 / 53

Sindh Alkalies Limited was established near Karachi in ___________

32 / 53

The number of carbon atoms present in kerosene oil_______

33 / 53

The residual oil is heated above 400-C to produce___________

34 / 53

Concentration is a separating technique in which mineral is separated from___________

35 / 53

Which one is not metal?

36 / 53

Sodium carbonate is manufactured by___________

37 / 53

Red hair contains compounds of____________

38 / 53

Formula of baking soda is________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

39 / 53

Froth flotation process is used to concentrate the ore on________

40 / 53

The elements that do not conduct heat and electricity are called_________

41 / 53

The nitrogen present in urea is used by plants to synthesize_________

42 / 53

Raw materials used in Solvay process.

43 / 53

Formula of soda ash is___________

  • Na2CO3
  • NaHCO3
  • Na2SO4
  • Na3PO4

Which Option is Correct ?

44 / 53

Imperial chemical industries (ICT) was established in_________

45 / 53

When NaHCO3 is heated it forms________

  • CO2
  • Ca(OH)2
  • CaCO3
  • CaO

Which Option is Correct ?

46 / 53

Brown hair contains___________

47 / 53

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

  • C2H4
  • C3H8
  • C7H10
  • C12H26

Which Option is Correct ?

48 / 53

Which one of the ore of copper?

49 / 53

Ammonical brine is prepared by dissolving ammonia gas in ______

  • NaCl
  • CaCO3
  • CaCl2
  • Na2SO4

Which Option is Correct ?

50 / 53

When crude oil is heated in the fractionating tower__________

51 / 53

Metallurgy involves which of the following steps?

52 / 53

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

53 / 53

In Solvay’s process slaked lime is used to_________

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

Which Option is Correct?

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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

Which pollutant is responsible for changing weather?

2 / 77

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

3 / 77

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

4 / 77

About 99% atmosphere mass lies within_________

5 / 77

PAN strands for__________

6 / 77

Mesosphere has a temperature range__________

7 / 77

Iron and steel structure are damaged by___________

8 / 77

Which factor determines the severity of a pollutant?

9 / 77

Which is not a poisonous gas?

10 / 77

Forest fires and burning of wood emit_________

  • CO2
  • NO2
  • SO2
  • Cl2

which Option is Correct?

11 / 77

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

12 / 77

Which gas is emitted due to volcanic eruption?

  • CO2
  • SO2
  • NO2
  • H2

Which Option is Correct?

13 / 77

Which is not a part of flue gas?

14 / 77

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

15 / 77

Which gas is responsible in warming the atmosphere?

16 / 77

Which one of the followings is not a greenhouse Effect?

17 / 77

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

18 / 77

Which is not an air pollutant?

  • CO2
  • SO2
  • CO
  • NH3

Which Option is Correct?

19 / 77

High concentration of which metal clogs the fish gills.

20 / 77

The gas used by plants to perform photosynthesis is ________

  • O2
  • CO2
  • N2
  • CO

Which Option is Correct?

21 / 77

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

22 / 77

Ozone layer is not found in__________

23 / 77

Ultraviolet radiations can cause___________

24 / 77

Atmosphere has ___________regions.

25 / 77

Ozone depletion was first noticed in ___________

26 / 77

Which is not a characteristic of SO2

27 / 77

Normally rain water is weakly acidic because of____________

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

(Select Correct Option)

28 / 77

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

29 / 77

At which region all weather occurs?

30 / 77

Effects of ozone depletion are following except the one_____

31 / 77

Just above the Earth surface is called __________

32 / 77

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

33 / 77

The region in which ozone layer depletes is called___________

34 / 77

Catalytic converters convert_____________

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

Which Option is Correct?

35 / 77

Which of the following is a poisonous gas?

36 / 77

Which of the following can be used as a fuel?

37 / 77

The percentage by volume of nitrogen in dry gas is_______

38 / 77

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

39 / 77

The Earth’s atmosphere is getting hotter because of____________

40 / 77

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

41 / 77

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

  • CO2
  • O2
  • N2
  • All of these

Which Option is Correct

42 / 77

Thermosphere lies beyond__________

43 / 77

Higher concentration of CO causes__________

44 / 77

The region of ozone decomposition in stratosphere is_______

45 / 77

99% of atmosphere consists of___________

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

Select Correct Option

46 / 77

A group of gases that maintains temperature of atmosphere are __________

47 / 77

Ozone is beneficial for us as it_________

48 / 77

The recombination of O and O2 in mid stratosphere is an_______

49 / 77

A pollutant is a waste material that pollutes_____________

50 / 77

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

  • CO2
  • CO
  • N2
  • O3

Select Correct Option

51 / 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)

52 / 77

Fossil fuel means __________

53 / 77

Which gas is in involved in ozone depletion?

54 / 77

How many Natural Systems Are Exist on our Earth?

55 / 77

Which of the following is a secondary pollutant?

56 / 77

The envelope of different gases around the earth is called___________

57 / 77

Which gas is also known as life gas for plants?

  • CO
  • O2
  • CO2
  • NO2

Which Option is Correct?

58 / 77

Global warming is because of_____________

59 / 77

Ozone has a smell like _________

60 / 77

Which one of the following is not an air pollutant?

61 / 77

Which is the major effect of global warming?

62 / 77

The pH of acid rain is___________

63 / 77

The smell of photocopies machine is due to the presence of_________

64 / 77

The percentage of sunlight absorbed by atmospheric gases is_________

65 / 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

66 / 77

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

67 / 77

Major portion of ozone layer is found in__________

68 / 77

Incinerator reduces solid waste into__________

69 / 77

Ozone is an allotropic form of____________

70 / 77

The gas used by animals to perform respiration is ________

  • O2
  • N2
  • SO2
  • Cl2

Select Correct Option

71 / 77

Buildings are being damaged by acid rain because it attacks_________

72 / 77

Which gas is the major constituent of troposphere?

73 / 77

Which gas is produced by the electrical lightening of air?

  • NO
  • SO2
  • SO3
  • CO2

Select Correct Option

74 / 77

The pH of water containing CO2 is_____

75 / 77

Almost all air crafts fly in which region?

76 / 77

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

  • CO
  • O3
  • NO2
  • SO2

(Select Correct Option)

77 / 77

Carbon monoxide is harmful to us because______________

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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

Proteins are essential for the formation of________

2 / 121

Nature of polysaccharides is__________

3 / 121

Deficiency of vitamin D cause __________

4 / 121

Night blindness is because of deficiency of ________

5 / 121

Butter and fats are obtained from_________

6 / 121

When glucose and fructose combine, they produce_________

7 / 121

The organic compound used as drugs to control bleeding are__________

8 / 121

Lipids are made of ___________

9 / 121

Marine source of oil is _______

10 / 121

Carbohydrates are molecule_______

11 / 121

Which is not a reducing sugar?

12 / 121

Accessories growth factors later named vitamins by________

13 / 121

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

14 / 121

Which of the followings is a triglyceride?

15 / 121

Monosaccharides consists of number of carbon atoms_______

16 / 121

___________is a poor conductor

17 / 121

Fructose contain group__________

18 / 121

Chemical formula of amino group is___________

  • NH3
  • NH
  • NH4+
  • COOH

(Select Correct Option)

19 / 121

Polysaccharides is _______solid.

20 / 121

Starch is commonly found in____________

21 / 121

Carbohydrates are__________

22 / 121

Starch is found in____________

23 / 121

The source of galactose_________

24 / 121

Deficiency of Vitamin E causes_________

25 / 121

Nucleic acids are made up of long chain of___________

26 / 121

Vitamin B, was discovered by__________

27 / 121

Margarine is produced by adding ___________ to vegetable oil.

28 / 121

50% dextrose contains approximate amount of energy_________

29 / 121

Monosaccharides cannot be _________

30 / 121

Which helps to keep the bowel functioning properly?

31 / 121

The nature of enzyme is____________

32 / 121

Oil exists in form of___________

33 / 121

Glucose is_____________

34 / 121

Percentage of protein in dry weight of cell is _________

35 / 121

Carbohydrates is directly used by__________

36 / 121

DNA structure was discovered in __________

37 / 121

Maltose a disaccharide of two molecules________

38 / 121

Ethyl butanoate smells like__________

39 / 121

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

40 / 121

Chemical formula of Stearic acid__________

  • C15H31COOH
  • C17H35COOH
  • C17H37COOH
  • None of these

Select Correct Option

41 / 121

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

42 / 121

General formula of carbohydrate is_________

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

(Select Correct Option)

43 / 121

White viscous fluid (albumen) present in an egg is______________

44 / 121

Margarine is produced by adding hydrogen to vegetable oil at___________

45 / 121

Which one of the following is a reducing sugar?

46 / 121

Smell of rancid butter is due to the presence of_______________

47 / 121

________is responsible for the transmission of genetic information.

48 / 121

Which one of the following vitamins is water soluble?

49 / 121

Amino acids are the building blocks of_________

50 / 121

Carbohydrates are synthesized by plants through______

51 / 121

Which one is found in bones?

52 / 121

Esters of butanoic acids have ________ smell.

53 / 121

The most important disaccharide is__________

54 / 121

The important mono-saccharides is ______

55 / 121

The most important oligosaccharide is____________

56 / 121

Fats and oils are _________ foods.

57 / 121

Thousands of amino acids polymerize to form__________

58 / 121

Fat soluble vitamins are ______

59 / 121

A bond formed between two amino acids is____________

60 / 121

Methyl butanoate smell like_______

61 / 121

___________ is synthesizes by Plants.

62 / 121

Carbohydrates regulate the amount of _________ in our body.

63 / 121

Which one of the following cannot be hydrolyzed?

64 / 121

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

65 / 121

Maltose is commonly found in_________

66 / 121

Amino acids are linked with each other through________

67 / 121

Gelatin is used in ________

68 / 121

RNA act role as _________

69 / 121

Denaturing of protein is caused by______________

70 / 121

Which carbohydrate is used directly by muscles for energy?

71 / 121

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

72 / 121

Carbohydrates are synthesized by plants through_________

73 / 121

Tetra-saccharides are classified under__________

74 / 121

Fats exists in_________

75 / 121

Enzymes are proteins which have the following properties except___________

76 / 121

Lipids are macromolecules made up of____________

77 / 121

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

78 / 121

Human body uses carbohydrates in the form of_________

79 / 121

In hydrogenation of vegetable oil catalyst employed is________

80 / 121

Solomon and Wales oil is used as __________

81 / 121

The energy provided by carbohydrates in per gram ______

82 / 121

___________ is an example of pure cellular.

83 / 121

Funk discovered vitamin _________

84 / 121

RNA stands for _________

85 / 121

Dextrose solution contain_________ calories of energy.

86 / 121

Photosynthesis process produces______

87 / 121

Low sugar level in human body results in______________

88 / 121

Monosaccharides are crystalline solids________

89 / 121

Ethyl butanoate smells like__________

90 / 121

Which of the followings is a disaccharide?

91 / 121

Glucose and fructose are_________

92 / 121

The glucose is further polymerized to form_________

93 / 121

Disease of deficiency of vitamin A is_______

94 / 121

RNA consists of_________

95 / 121

DNA was discovered by__________

96 / 121

Vitamins were discovered in________

97 / 121

Energy provided by carbohydrate is __________

98 / 121

Which is the essential sugar found in milk?

99 / 121

Which one of the following are amorphous solids?

100 / 121

Which of the following is tasteless?

101 / 121

Amino acids are __________ of protein.

102 / 121

Carbohydrates are ________ in water.

103 / 121

Which is the natural sugar found in starchy foods?

104 / 121

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

105 / 121

When bones are heated, they give____________

106 / 121

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

107 / 121

Protein is not found in____________

108 / 121

Triglycerides are fatty acids____________

109 / 121

Rancid butter has________________

110 / 121

The percentage of protein in dry weight of cell_______

111 / 121

Synthesis of protein is directed by____________

112 / 121

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

113 / 121

Which helps in lowering of cholesterol level?

114 / 121

Which is a hereditary material?

115 / 121

Mono-saccharides are ________sugars.

116 / 121

Oils and fats are esters of large chain fatty acids with__________

117 / 121

Eggs, Oils and fats contain vitamin_____________

118 / 121

Which one is a proteins?

119 / 121

Source of simple sugar is_________

120 / 121

___________is essential component living cells.

121 / 121

Vitamin C is also called________

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MCQs in PDF Format

 

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Short Questions in PDF Format

 

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Long Questions in PDF Format

 

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Chemistry Notes, Solved Problems for Class 10th

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

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

Conceptual Questions Chemistry class 10 pdf

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

 

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

                     Chapter-09 (01) – Chemical Equilibrium

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

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2022 – Chemistry 10th Class

 

 

Chemistry Notes for Class-10 Chapter-12

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

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Chemistry Ch#12, 10th Class

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1 / 96

The Hydrocarbons having double bond are called _________

2 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

3 / 96

Addition of hydrogen is called _________

4 / 96

Alkenes is also called ______

5 / 96

Which of the following property is not present in hydrocarbons?

6 / 96

Methane is also called ______

7 / 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?

8 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

9 / 96

Alcohol is soluble in water due to ________

10 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

11 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

12 / 96

Which is present 85% in natural gas?

13 / 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

14 / 96

Which of the following is not a hydrocarbon?

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

Which Option is Correct ?

15 / 96

The end product of oxidation of acetylene is_______

16 / 96

The order of reactivity of hydrogen halides with alkenes is__________

17 / 96

Number of bonds in propene is ______________

18 / 96

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

19 / 96

Substitution reaction is the characteristics of__________

20 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

21 / 96

Which one of the following is more reactive?

22 / 96

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

23 / 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 ?

24 / 96

The general formula of alkynes is_________

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

Which Option is Correct ?

25 / 96

Due to increase in molar mass which property increases?

26 / 96

Methane forms natural gas about___________

27 / 96

Banana when ripped produces gas________

28 / 96

Which one of the following is a substitution reaction?

29 / 96

Alkynes being more reactive than __________

30 / 96

Which of the following gas is used in warfare?

31 / 96

Benzene is formed by the polymerization of_______________

32 / 96

Which compound is used for welding process?

33 / 96

Which of the following has higher energy?

34 / 96

Incomplete combustion of alkanes produces________

35 / 96

Those Hydrocarbons having high molecular mass are___________

36 / 96

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

37 / 96

Carbon black is used in the manufacture of_______

38 / 96

Alkenes are insoluble in___________

39 / 96

The example of rubbers is ________

40 / 96

Alkanes do not react in__________

41 / 96

Alkanes are also called ________

42 / 96

Amorphous forms of carbons are______

43 / 96

Alkanes give reaction only _____

44 / 96

The reduction of alkyl halides takes place in the presence of___________

45 / 96

Dehydration means removal of__________

46 / 96

Traces of acetylene are present in coal gas about_________

47 / 96

Number of bonds present in methane________

48 / 96

Ethylene oxide is used as _________

49 / 96

Alkenes are produced in large amounts by cracking of_________

50 / 96

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

51 / 96

Dehydrohalogenation takes place in the presence of_____________

52 / 96

Glyoxal is oxidize into_________

53 / 96

Alkyne forms____________

54 / 96

Which is used as Anti-freezer?

55 / 96

Alkenes are prepared from alcohols by a process called_________

56 / 96

The compound having at least one benzene ring are called________

57 / 96

Due to which property alkane are used as fuel___________

58 / 96

Alkanes are least reactive compounds because they are____________

59 / 96

Which of the following does not occur free in nature?

60 / 96

A solution of bromine in water having colour________

61 / 96

Carbon has valency_______

62 / 96

Carbon tetra chloride is used in_______

63 / 96

The alkanes consisting of C5 to C10 are__________

64 / 96

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

65 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

66 / 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?

67 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

68 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

69 / 96

The density of alkane increases with the increase of _________

70 / 96

Which of the following is not alcohol?

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

Select Correct Option

71 / 96

Oxidation of alkenes produce______

72 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

73 / 96

Detergents are the sodium salts of__________

74 / 96

In shoe polishes, which chemical is used?

75 / 96

Di-methy acetylene is also called___________

76 / 96

Oxidation of ethene with KMnO4 produces______

77 / 96

Which of the following is not a function of chloroform?

78 / 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)

79 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

80 / 96

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

81 / 96

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

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

82 / 96

Which is the characteristics property of alkanes?

83 / 96

Banaspati Ghee is also called______

84 / 96

In dry cleaning, which chemical is used?

85 / 96

Which of the following is a synthetic fiber?

86 / 96

Ethylene is present in natural gas sometimes to the extent of________

87 / 96

Traces of acetylene are present in coal gas about ___________

88 / 96

Incomplete combustion of alkanes produces __________

89 / 96

Chloroform is used for__________

90 / 96

Some orchids attract bees for pollination by producing_________

91 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

92 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

93 / 96

paraffins means________

94 / 96

Formula of nascent hydrogen is_______

95 / 96

Ethene reacts with H2SO4 at temperature of_________

96 / 96

Which one of the following is a substitution reaction?

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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%
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RH11:07:29 Jan 31, 202457%
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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%
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Abdullah05:17:21 Oct 03, 202253%
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Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan15:33:31 Sep 26, 202233%
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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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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