Q. The purest form of water is

A
Rain water
B
Heavy water
C
Tap water
D
Distilled water
Solution:

Rain water is considered the purest form of water. Impurities and salts present in water on earth are left behind during vaporisation by the sun. However, the rain water we receive on earth is not necessarily pure, as it brings down impurities and particles present in the atmosphere along with it.

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