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Question

Which of the following are water purification methods?

A
Household filtration
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B
Chlorination
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C
Boiling water
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D
Cooling water
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Solution

The correct options are
A Household filtration
B Chlorination
C Boiling water

The water purification methods are:

Filtration: In this process, contaminated water is passed through filtration membrane which retains the impurities, letting the water to pass through.

Boiling: It is one of the most common methods of purifying water. In this process, water is boiled which kills the germs and bacteria present in it, thereby making the water pure.

Chlorination: In this process, a chlorine tablet or bleaching powder is added to water to make it microbe free.


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