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

57

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

The percentage of water in human body is_____

40%

70%

50%

60%

2 / 61

Temporary hardness is because of______________

MgSO4

CaCO3

MgCO3

Ca(HCO3)2

3 / 61

The boiling point of water is ____________

100°C

25°C

0°C

4°C

4 / 61

Gypsum in water is ____________

Highly soluble

None of them

Sparingly soluble

Insoluble

5 / 61

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

Three

Four

One

Two

6 / 61

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

Salts

Fishes

All of them

Algae

7 / 61

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

Paste

Scum

None of them

Gelatin

8 / 61

Acute lead poisoning causes dysfunction of_____________

liver

All of them

CNS

Kidney

9 / 61

Specific heat capacity of water is _____________

4.2 Jg-1K-1

2.4 Kjg-1K-1

4.2 kJg-1K-1

2.4 Jg-1K-1

10 / 61

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

-OH

covalent bond

H+

both a and b

11 / 61

Chemical formula of lime stone is _____________

All of them

CaO

CaCO3

Ca(OH)2

12 / 61

Which element do not cause toxicity in water?

Sodium

Mercury

Arsenic

Lead

13 / 61

Which of the following salt is soluble in water?

KCl

Na2SO4

NaCl

All of Them

14 / 61

Temporary hardness is due to the presence of bicarbonates of __________

Both of them

Magnesium

Calcium

None of them

15 / 61

Maximum density of water at 4°C is _______________

0l gcm-3

04gcem-3

02g cm-3

12cm-3

16 / 61

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

surface tension

capillary action

excellent solvent action

specific heat capacity

17 / 61

Swimming pools are cleaned by the process________

Saponification

None of these

Hydrogenations

Chlorination

18 / 61

Which hepatitis is caused by contaminated water?

Hepatitis C

Hepatitis A

Hepatitis D

Hepatitis B

19 / 61

Industrial effluents are highly____________

All of them

Heavy Metals

Toxic organic compounds

Inorganic Salts

20 / 61

Which is not a heavy metal?

Zinc

Mercury

Lead

Cadmium

21 / 61

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

Typhoid

Dysentery

Cholera

Jaundice

22 / 61

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

Phosphate

Calcium

All of them

Sodium

23 / 61

Water which produces good lather with soap is called __________

Hard water

Heavy water

None

Soft water

24 / 61

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

Chlorine

Fluorine

Iodine

Bromine

25 / 61

Which element protects teeth from decay?

Fluorine

Sodium

Calcium

Potassium

26 / 61

Temporary hardness is removed by adding _____________

quick lime

lime water

slaked lime

lime stone

27 / 61

Permanent hardness is removed by adding__________

lime water

quick lime

soda lime

Na2 Zeolite

28 / 61

Chemical formula of hypochlorous acid is __________

HCl

HF

HOCI

H2CO3

29 / 61

Which of the following is soluble in water?

Alcohols

All of them

Glucose

Organic acids

30 / 61

Neurological damage is caused by the poisoning of__________

Mercury

All of them

Cadmium

Lead

31 / 61

The heat capacity of water is _____________

5.9Jg-1k-1

4.2 Jg-1k-1

2.1 Jg-1k-1

3.2Jg-1k-1

32 / 61

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

Sulphate salts

biodegradation of aquatic plants

phosphate slats

Decaying of aquatic plants

33 / 61

Sodium zeolite is naturally occurring reason of___________

Na2SiO3

CaCO3

Na2CO3

NaAl(SiO3)2

34 / 61

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

Ca(HCO3)2

NaHCO3

NaCO3

CaSO

35 / 61

Vibrious cholera causes _______

Hepatitis

Dysentery

Fluorosis

Cholera

36 / 61

Acute cadmium poisoning causes __________

All of them

High Blood pressure

Kidney damage

Destruction of RBCs

37 / 61

Hookworm infects ___________

Stomach

small intestine

Large intestine

Liver

38 / 61

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

Jaundice

Dysentery

Typhoid

Cholera

39 / 61

Water has a maximum density at __________

0°C

10°C

4°C

100°C

40 / 61

Which disease is caused by polluted water?

All of them

Cholera

Diarrhea

Typhoid

41 / 61

The removal of which ion causes water softening.

Mg2

K+

Li+

Na+

42 / 61

Chemical form of gypsum___________

CaSO4. 2H2O

MgSO4. 5H2O

FeSO4. 5H2O

CuSO4. 5H2O

43 / 61

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

Respiration

Photosynthesis

Capillary action

Surface tension

44 / 61

Hard water can cause____________

All of them

Stomach disorder

Inefficiency of engine

Boiler blasts

45 / 61

The freezing point of water is _____________

46°C

10°C

100°C

0°C

46 / 61

Which of the following is insoluble in water?

KCl

All of them

NaCl

Benzene

47 / 61

Water dissolves non-ionic compound by ________

hydrogen bonding

ion-dipole forces

dipole-dipole forces

ion-ion forces

48 / 61

The percentage of oceans in world water is _______

50%

67%

25%

97%

49 / 61

Which organ ceases to function during Jaundice?

Liver

large intestine

Stomach

Kidney

50 / 61

Calcium carbonate is in water _________

Sparingly

None of them

soluble

Insoluble

51 / 61

Inland water includes _________________

Streams

Lakes

All of them

River

52 / 61

Hook worm larvae enter the body through __________

Skin

Food

water

All of them

53 / 61

Example of pest is___________

Herbs

all of them

Insects

Weeds

54 / 61

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

Six

Three

Two

Four

55 / 61

Which one of the following diseases causes liver inflammation?

Jaundice

Cholera

Typhoid

Hepatitis

56 / 61

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

None of them

Carbon dioxide

Oxygen

Both of them

57 / 61

Soap is the sodium salt of long chain of _____________

Nucleotides

Amino acids

None of them

Fatty acids

58 / 61

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

Sulphate salts

Phosphate salts

Carbonate salts

Sulphoric acid salts

59 / 61

Water molecules show structure _________

Pentagonal

Trigonal

Tetrahedral

Other

60 / 61

The percentage of potable water on earth is____________

0.002%

0.2%

0.02%

2%

61 / 61

Temporary hardness in water can be removed by ___________

Boiling Method

Using Sodium Zeolite

All of them

Using washing soda

Your score is

The average score is 54%

LinkedIn Facebook Twitter

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