Water:

If you are looking for Chemistry Notes for Class 10 Chapter-15 then you are on right place, and have found the your required Notes for Chemistry. on this post you can find the all type Notes & Solution for chemistry class 10 problems. so read this post and take benefits for your studies and share with your Friends.

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

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

Best of Luck

0%

1 votes, 5 avg

58

Revise / Test Your MCQs

Time is over

Thanks for taking Quiz, Click Finish Button to see your Result

---

Chemistry Ch#15, 10th Class

Here MCQs for your Revision

For Good Revision & Grip on Concept, You Should take the MCQs and Revise it again and again

Good Luck. . . .  (:

1 / 61

Which hepatitis is caused by contaminated water?

Hepatitis A

Hepatitis B

Hepatitis D

Hepatitis C

2 / 61

The heat capacity of water is _____________

5.9Jg-1k-1

3.2Jg-1k-1

2.1 Jg-1k-1

4.2 Jg-1k-1

3 / 61

Maximum density of water at 4°C is _______________

0l gcm-3

02g cm-3

04gcem-3

12cm-3

4 / 61

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

Fluorine

Bromine

Chlorine

Iodine

5 / 61

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

Paste

Gelatin

Scum

None of them

6 / 61

Which one of the following diseases causes liver inflammation?

Jaundice

Typhoid

Cholera

Hepatitis

7 / 61

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

Surface tension

Respiration

Capillary action

Photosynthesis

8 / 61

The removal of which ion causes water softening.

Li+

K+

Na+

Mg2

9 / 61

Which element do not cause toxicity in water?

Lead

Sodium

Arsenic

Mercury

10 / 61

Calcium carbonate is in water _________

None of them

Insoluble

soluble

Sparingly

11 / 61

Which of the following is insoluble in water?

NaCl

All of them

KCl

Benzene

12 / 61

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

Six

Three

Four

Two

13 / 61

Water has a maximum density at __________

0°C

10°C

100°C

4°C

14 / 61

Swimming pools are cleaned by the process________

Chlorination

Saponification

Hydrogenations

None of these

15 / 61

Temporary hardness is removed by adding _____________

lime stone

slaked lime

lime water

quick lime

16 / 61

Temporary hardness in water can be removed by ___________

Using Sodium Zeolite

Boiling Method

All of them

Using washing soda

17 / 61

Water molecules show structure _________

Other

Pentagonal

Trigonal

Tetrahedral

18 / 61

Chemical formula of hypochlorous acid is __________

HCl

HF

H2CO3

HOCI

19 / 61

Soap is the sodium salt of long chain of _____________

Nucleotides

Fatty acids

None of them

Amino acids

20 / 61

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

Jaundice

Typhoid

Dysentery

Cholera

21 / 61

Vibrious cholera causes _______

Cholera

Fluorosis

Hepatitis

Dysentery

22 / 61

Permanent hardness is removed by adding__________

quick lime

lime water

Na2 Zeolite

soda lime

23 / 61

The freezing point of water is _____________

46°C

10°C

0°C

100°C

24 / 61

Chemical formula of lime stone is _____________

All of them

Ca(OH)2

CaCO3

CaO

25 / 61

Acute cadmium poisoning causes __________

All of them

High Blood pressure

Kidney damage

Destruction of RBCs

26 / 61

Which of the following salt is soluble in water?

All of Them

Na2SO4

NaCl

KCl

27 / 61

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

excellent solvent action

specific heat capacity

capillary action

surface tension

28 / 61

Specific heat capacity of water is _____________

2.4 Kjg-1K-1

4.2 Jg-1K-1

2.4 Jg-1K-1

4.2 kJg-1K-1

29 / 61

Temporary hardness is due to the presence of bicarbonates of __________

Both of them

Magnesium

None of them

Calcium

30 / 61

The percentage of potable water on earth is____________

2%

0.002%

0.02%

0.2%

31 / 61

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

phosphate slats

biodegradation of aquatic plants

Sulphate salts

Decaying of aquatic plants

32 / 61

Water which produces good lather with soap is called __________

Hard water

None

Soft water

Heavy water

33 / 61

The percentage of water in human body is_____

70%

60%

50%

40%

34 / 61

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

Three

Four

Two

One

35 / 61

Hard water can cause____________

Inefficiency of engine

All of them

Boiler blasts

Stomach disorder

36 / 61

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

Jaundice

Typhoid

Dysentery

Cholera

37 / 61

Hookworm infects ___________

Liver

small intestine

Stomach

Large intestine

38 / 61

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

NaCO3

CaSO

NaHCO3

Ca(HCO3)2

39 / 61

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

Carbon dioxide

None of them

Both of them

Oxygen

40 / 61

Temporary hardness is because of______________

MgCO3

MgSO4

Ca(HCO3)2

CaCO3

41 / 61

Sodium zeolite is naturally occurring reason of___________

Na2CO3

NaAl(SiO3)2

CaCO3

Na2SiO3

42 / 61

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

Fishes

Salts

Algae

All of them

43 / 61

Which organ ceases to function during Jaundice?

large intestine

Stomach

Kidney

Liver

44 / 61

The percentage of oceans in world water is _______

50%

25%

67%

97%

45 / 61

Which is not a heavy metal?

Zinc

Lead

Mercury

Cadmium

46 / 61

Which disease is caused by polluted water?

Diarrhea

All of them

Typhoid

Cholera

47 / 61

Industrial effluents are highly____________

Heavy Metals

Inorganic Salts

Toxic organic compounds

All of them

48 / 61

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

H+

-OH

both a and b

covalent bond

49 / 61

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

Phosphate salts

Sulphate salts

Carbonate salts

Sulphoric acid salts

50 / 61

Inland water includes _________________

Streams

River

All of them

Lakes

51 / 61

Which of the following is soluble in water?

Glucose

Alcohols

Organic acids

All of them

52 / 61

Which element protects teeth from decay?

Potassium

Fluorine

Calcium

Sodium

53 / 61

Water dissolves non-ionic compound by ________

dipole-dipole forces

hydrogen bonding

ion-dipole forces

ion-ion forces

54 / 61

Neurological damage is caused by the poisoning of__________

All of them

Mercury

Lead

Cadmium

55 / 61

Gypsum in water is ____________

Highly soluble

Insoluble

Sparingly soluble

None of them

56 / 61

Chemical form of gypsum___________

CuSO4. 5H2O

FeSO4. 5H2O

MgSO4. 5H2O

CaSO4. 2H2O

57 / 61

Acute lead poisoning causes dysfunction of_____________

liver

Kidney

CNS

All of them

58 / 61

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

Sodium

Calcium

Phosphate

All of them

59 / 61

Hook worm larvae enter the body through __________

Skin

Food

water

All of them

60 / 61

The boiling point of water is ____________

0°C

25°C

100°C

4°C

61 / 61

Example of pest is___________

Weeds

Insects

Herbs

all of them

Your score is

The average score is 55%

LinkedIn Facebook

0%

Restart quiz

Can u write your Feelings

How You Feel this

Send feedback

If you find any mistake in MCQs, please inform us by Commenting or by Contact us menu to improve the Quality of this free content.

How Students Solve this . . . . . . . Result of these MCQs as:

MCQs in PDF Format

(Download in pdf format)

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

Short Questions in PDF Format

(Download in pdf format)

Long Questions in PDF Format

(Download in pdf format)

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 10^th 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, 10^th 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