Question

Boiling purifies water because:

• A. it rises the temperature of water
• B. it increases the pressure of water
• C. it lowers the volume of water
• D. it decreases the temperature of water

Answer 1

Answer: (A), (C)

The correct options are
A

it rises the temperature of water

C

it lowers the volume of water

Boiling kills the germs and microorganisms which are present in the water because, at high temperature, the microorganisms can't sustain and they die.
Thus, this method purifies water and makes it suitable for drinking.