HARD
7th Chhattisgarh Board
IMPORTANT
Earn 100

What are the main causes of water pollution? What measures would you take to stop water pollution? 

Important Questions on Water

MEDIUM
7th Chhattisgarh Board
IMPORTANT
Why is conservation of water necessary? 
EASY
7th Chhattisgarh Board
IMPORTANT
Ice floats on the surface of the water because -
MEDIUM
7th Chhattisgarh Board
IMPORTANT
The ratio of hydrogen and oxygen in water is 2:1
MEDIUM
7th Chhattisgarh Board
IMPORTANT
Water cycle is a -
MEDIUM
7th Chhattisgarh Board
IMPORTANT
Distilled water is the closest to -
EASY
7th Chhattisgarh Board
IMPORTANT
Water is a _____ solvent.
EASY
7th Chhattisgarh Board
IMPORTANT
_____ gas obtained by electrolysis of water produces a 'pop' sound on burning.
EASY
7th Chhattisgarh Board
IMPORTANT
Bleaching powder is used to make water bacteria free.