Question

12
is called a universal solvent
(A) Water
(B) Alcohol
(C) Petrol
(D) Ether
13.
Water is often treated with chlorine to:
(A) make it sweet
(6) make it salty
(C) kill germs in it (D) make it colo
Take it colourless
14.
The chemical formula of ice is:
(A) H
(B) O
(C) H0
(D) H,O,
15.
Water, ice and steam are all:
(D) elements
(B) mixtures
(C) compounds
(D) none of these
16.
Water in its pure form is a:
(Algood conductor of heat
(B) bad conductor of heat
(C)good conductor of electricity
(D) none of these
Water is made of two elements, which are:
18.
(A) both solids
(B) both liquids
(C) both gases
(D) one liquid and the other a gas
For rusting of iron to take place. are required
(A) O, and CO, (B) H,0 and N, (C) H,O and 0, (D) H0 and H,
The water table of a place.
19.
(A) changes from time to time
(B) changes from palce to place
(C) goes down when rains are less
(D) all of these
20.
Which of the following is the most important factor in balancing the amount of fresh water
on earth?
(B) greenhouse effect
(C) WWTP
(D) transpiration
(A) water cycle
21.
22.
Which property of water is used while washing clothes?
(A) odour
(B) colour
(C) solubility (D) none of these
Which of the following is NOT soluble in water?
(A) salt
(B) sugar
(C) oxygen (D) none of these
By burning which of the following elements would you get water?
(A) Hydrogen (B) Oxygen (C) Carbon (D) Nitrogen
23.​

Answer 1

I am just writing the options

12A

13C

14C

15A

16D

18D

19D

20C

21C

22D

23C

Hope it helps you

pls mark me as brainliest