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

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

Photosynthesis

Surface tension

Capillary action

Respiration

2 / 61

Maximum density of water at 4°C is _______________

0l gcm-3

04gcem-3

12cm-3

02g cm-3

3 / 61

Which one of the following diseases causes liver inflammation?

Hepatitis

Jaundice

Typhoid

Cholera

4 / 61

The percentage of potable water on earth is____________

0.002%

0.02%

0.2%

2%

5 / 61

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

surface tension

excellent solvent action

specific heat capacity

capillary action

6 / 61

Chemical form of gypsum___________

FeSO4. 5H2O

MgSO4. 5H2O

CaSO4. 2H2O

CuSO4. 5H2O

7 / 61

Acute lead poisoning causes dysfunction of_____________

CNS

liver

All of them

Kidney

8 / 61

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

Gelatin

None of them

Paste

Scum

9 / 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

10 / 61

The percentage of oceans in world water is _______

50%

25%

67%

97%

11 / 61

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

Fishes

Algae

All of them

Salts

12 / 61

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

One

Three

Two

Four

13 / 61

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

Oxygen

None of them

Both of them

Carbon dioxide

14 / 61

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

Typhoid

Cholera

Jaundice

Dysentery

15 / 61

Hard water can cause____________

Stomach disorder

Boiler blasts

All of them

Inefficiency of engine

16 / 61

Gypsum in water is ____________

Sparingly soluble

Insoluble

None of them

Highly soluble

17 / 61

Acute cadmium poisoning causes __________

High Blood pressure

Destruction of RBCs

Kidney damage

All of them

18 / 61

Calcium carbonate is in water _________

Insoluble

None of them

soluble

Sparingly

19 / 61

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

Six

Four

Three

Two

20 / 61

Temporary hardness is because of______________

MgCO3

Ca(HCO3)2

MgSO4

CaCO3

21 / 61

The freezing point of water is _____________

46°C

100°C

0°C

10°C

22 / 61

Which of the following salt is soluble in water?

Na2SO4

KCl

All of Them

NaCl

23 / 61

Hookworm infects ___________

Stomach

Liver

small intestine

Large intestine

24 / 61

Sodium zeolite is naturally occurring reason of___________

NaAl(SiO3)2

Na2SiO3

CaCO3

Na2CO3

25 / 61

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

covalent bond

-OH

H+

both a and b

26 / 61

The boiling point of water is ____________

100°C

4°C

25°C

0°C

27 / 61

Temporary hardness in water can be removed by ___________

All of them

Using washing soda

Using Sodium Zeolite

Boiling Method

28 / 61

Industrial effluents are highly____________

Inorganic Salts

Heavy Metals

Toxic organic compounds

All of them

29 / 61

Vibrious cholera causes _______

Cholera

Dysentery

Fluorosis

Hepatitis

30 / 61

Water dissolves non-ionic compound by ________

ion-dipole forces

dipole-dipole forces

ion-ion forces

hydrogen bonding

31 / 61

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

Cholera

Jaundice

Dysentery

Typhoid

32 / 61

Which is not a heavy metal?

Zinc

Mercury

Cadmium

Lead

33 / 61

Chemical formula of hypochlorous acid is __________

H2CO3

HF

HOCI

HCl

34 / 61

Swimming pools are cleaned by the process________

Chlorination

None of these

Hydrogenations

Saponification

35 / 61

Which of the following is insoluble in water?

NaCl

KCl

Benzene

All of them

36 / 61

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

Bromine

Iodine

Chlorine

Fluorine

37 / 61

Water has a maximum density at __________

4°C

100°C

10°C

0°C

38 / 61

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

NaCO3

Ca(HCO3)2

NaHCO3

CaSO

39 / 61

Chemical formula of lime stone is _____________

All of them

Ca(OH)2

CaO

CaCO3

40 / 61

Water which produces good lather with soap is called __________

Soft water

None

Heavy water

Hard water

41 / 61

Which disease is caused by polluted water?

Cholera

Typhoid

Diarrhea

All of them

42 / 61

Temporary hardness is removed by adding _____________

lime stone

slaked lime

quick lime

lime water

43 / 61

Which organ ceases to function during Jaundice?

Stomach

Kidney

Liver

large intestine

44 / 61

The removal of which ion causes water softening.

Na+

K+

Mg2

Li+

45 / 61

Neurological damage is caused by the poisoning of__________

All of them

Lead

Cadmium

Mercury

46 / 61

Water molecules show structure _________

Tetrahedral

Other

Pentagonal

Trigonal

47 / 61

Which element do not cause toxicity in water?

Arsenic

Mercury

Sodium

Lead

48 / 61

Which element protects teeth from decay?

Fluorine

Potassium

Sodium

Calcium

49 / 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

50 / 61

Inland water includes _________________

Streams

All of them

River

Lakes

51 / 61

Temporary hardness is due to the presence of bicarbonates of __________

Magnesium

Both of them

Calcium

None of them

52 / 61

Example of pest is___________

all of them

Weeds

Herbs

Insects

53 / 61

The percentage of water in human body is_____

40%

50%

60%

70%

54 / 61

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

Carbonate salts

Sulphate salts

Sulphoric acid salts

Phosphate salts

55 / 61

Permanent hardness is removed by adding__________

lime water

Na2 Zeolite

soda lime

quick lime

56 / 61

Specific heat capacity of water is _____________

4.2 Jg-1K-1

4.2 kJg-1K-1

2.4 Kjg-1K-1

2.4 Jg-1K-1

57 / 61

Which hepatitis is caused by contaminated water?

Hepatitis A

Hepatitis C

Hepatitis B

Hepatitis D

58 / 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

59 / 61

Hook worm larvae enter the body through __________

Skin

Food

All of them

water

60 / 61

Soap is the sodium salt of long chain of _____________

Amino acids

Nucleotides

None of them

Fatty acids

61 / 61

Which of the following is soluble in water?

Glucose

Alcohols

All of them

Organic acids

Your score is

The average score is 55%

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