Sita always wondered why the water in the pond next to her house was dirty. One day, she decided to make the water clean and free from impurities. Which of the following procedures can help her to do that?

Chlorination

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Distillation

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Boiling

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Filtration

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Solution

The correct option is A
Chlorination

Distillation, boiling ,filtration are physical methods which cannot be performed directly on pond water as these can't be performed in the open. Chlorination is a commonly used chemical method for purifying water. It is done by adding chlorine tablets to impure water.

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