EASY
5th CBSE
IMPORTANT
Earn 100

Which gas is used to disinfect water?

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Important Questions on Water

EASY
5th CBSE
IMPORTANT
The process when water from rivers is fed into big reservoirs is known as _____.
EASY
5th CBSE
IMPORTANT
The process of filtration with the help of muslin cloth is _____.
EASY
5th CBSE
IMPORTANT
Water which forms lather with soap easily is known as
EASY
5th CBSE
IMPORTANT
Municipalities use oxygen gas to kill bacteria and other germs present in water.   
EASY
5th CBSE
IMPORTANT
The water used for drinking is known as non-potable water.
EASY
5th CBSE
IMPORTANT
Dissolved gases spoils the purity of water.
EASY
5th CBSE
IMPORTANT
The solid substance that dissolves is known as solute.
MEDIUM
5th CBSE
IMPORTANT

Match the following:

1. Very little salt (a) helps in sedimentation
2. Alum (b) solid impurity left behind
3. Residue (c) allow water to pass through
4. Carbon dioxide (d) unsaturated solution
5. Pervious rocks (e) helps in photosynthesis of aquatic plants