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

Acute lead poisoning causes dysfunction of_____________

Kidney

CNS

liver

All of them

2 / 61

Example of pest is___________

all of them

Weeds

Herbs

Insects

3 / 61

Temporary hardness in water can be removed by ___________

All of them

Using Sodium Zeolite

Boiling Method

Using washing soda

4 / 61

Calcium carbonate is in water _________

Sparingly

None of them

soluble

Insoluble

5 / 61

Swimming pools are cleaned by the process________

None of these

Hydrogenations

Chlorination

Saponification

6 / 61

Temporary hardness is due to the presence of bicarbonates of __________

Calcium

Magnesium

None of them

Both of them

7 / 61

Chemical form of gypsum___________

CuSO4. 5H2O

FeSO4. 5H2O

MgSO4. 5H2O

CaSO4. 2H2O

8 / 61

Sodium zeolite is naturally occurring reason of___________

CaCO3

Na2SiO3

NaAl(SiO3)2

Na2CO3

9 / 61

Water dissolves non-ionic compound by ________

hydrogen bonding

dipole-dipole forces

ion-ion forces

ion-dipole forces

10 / 61

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

Sulphate salts

Sulphoric acid salts

Carbonate salts

Phosphate salts

11 / 61

The heat capacity of water is _____________

3.2Jg-1k-1

4.2 Jg-1k-1

2.1 Jg-1k-1

5.9Jg-1k-1

12 / 61

The boiling point of water is ____________

4°C

100°C

0°C

25°C

13 / 61

Which is not a heavy metal?

Mercury

Lead

Cadmium

Zinc

14 / 61

Industrial effluents are highly____________

Inorganic Salts

Toxic organic compounds

Heavy Metals

All of them

15 / 61

Hook worm larvae enter the body through __________

Skin

Food

water

All of them

16 / 61

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

Calcium

Phosphate

Sodium

All of them

17 / 61

Soap is the sodium salt of long chain of _____________

Fatty acids

Nucleotides

None of them

Amino acids

18 / 61

Chemical formula of lime stone is _____________

CaCO3

Ca(OH)2

All of them

CaO

19 / 61

Maximum density of water at 4°C is _______________

02g cm-3

04gcem-3

12cm-3

0l gcm-3

20 / 61

Water molecules show structure _________

Tetrahedral

Pentagonal

Other

Trigonal

21 / 61

Temporary hardness is removed by adding _____________

lime stone

lime water

slaked lime

quick lime

22 / 61

Vibrious cholera causes _______

Hepatitis

Dysentery

Cholera

Fluorosis

23 / 61

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

both a and b

H+

-OH

covalent bond

24 / 61

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

Gelatin

Paste

None of them

Scum

25 / 61

Inland water includes _________________

Streams

River

Lakes

All of them

26 / 61

Which one of the following diseases causes liver inflammation?

Hepatitis

Typhoid

Jaundice

Cholera

27 / 61

The percentage of potable water on earth is____________

0.002%

0.2%

2%

0.02%

28 / 61

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

Dysentery

Typhoid

Jaundice

Cholera

29 / 61

Which element protects teeth from decay?

Fluorine

Sodium

Potassium

Calcium

30 / 61

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

Fishes

Salts

Algae

All of them

31 / 61

Temporary hardness is because of______________

Ca(HCO3)2

MgCO3

CaCO3

MgSO4

32 / 61

Neurological damage is caused by the poisoning of__________

Mercury

Lead

Cadmium

All of them

33 / 61

Gypsum in water is ____________

Sparingly soluble

Insoluble

None of them

Highly soluble

34 / 61

The percentage of water in human body is_____

60%

70%

40%

50%

35 / 61

The removal of which ion causes water softening.

Mg2

Na+

Li+

K+

36 / 61

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

Three

Two

Four

One

37 / 61

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

biodegradation of aquatic plants

Decaying of aquatic plants

phosphate slats

Sulphate salts

38 / 61

Which of the following is insoluble in water?

NaCl

Benzene

KCl

All of them

39 / 61

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

Six

Four

Three

Two

40 / 61

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

Chlorine

Bromine

Fluorine

Iodine

41 / 61

Acute cadmium poisoning causes __________

Destruction of RBCs

All of them

High Blood pressure

Kidney damage

42 / 61

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

Jaundice

Dysentery

Typhoid

Cholera

43 / 61

Which disease is caused by polluted water?

Cholera

All of them

Diarrhea

Typhoid

44 / 61

Which hepatitis is caused by contaminated water?

Hepatitis D

Hepatitis A

Hepatitis C

Hepatitis B

45 / 61

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

Ca(HCO3)2

NaHCO3

NaCO3

CaSO

46 / 61

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

Both of them

None of them

Oxygen

Carbon dioxide

47 / 61

Water has a maximum density at __________

4°C

100°C

10°C

0°C

48 / 61

The freezing point of water is _____________

100°C

10°C

0°C

46°C

49 / 61

Which element do not cause toxicity in water?

Lead

Sodium

Mercury

Arsenic

50 / 61

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

specific heat capacity

surface tension

capillary action

excellent solvent action

51 / 61

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

Photosynthesis

Respiration

Capillary action

Surface tension

52 / 61

Which organ ceases to function during Jaundice?

Stomach

large intestine

Liver

Kidney

53 / 61

Hookworm infects ___________

Large intestine

Liver

small intestine

Stomach

54 / 61

The percentage of oceans in world water is _______

67%

97%

25%

50%

55 / 61

Specific heat capacity of water is _____________

4.2 Jg-1K-1

2.4 Jg-1K-1

4.2 kJg-1K-1

2.4 Kjg-1K-1

56 / 61

Water which produces good lather with soap is called __________

Soft water

Heavy water

None

Hard water

57 / 61

Chemical formula of hypochlorous acid is __________

HCl

H2CO3

HOCI

HF

58 / 61

Permanent hardness is removed by adding__________

soda lime

Na2 Zeolite

lime water

quick lime

59 / 61

Which of the following is soluble in water?

Alcohols

Organic acids

Glucose

All of them

60 / 61

Hard water can cause____________

Inefficiency of engine

Boiler blasts

Stomach disorder

All of them

61 / 61

Which of the following salt is soluble in water?

NaCl

Na2SO4

All of Them

KCl

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