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ScienceCLASS 7CBSE

answered 27 Mar 2026

Pick from the following one chemical used to disinfect water. (a) Chlorine (b) Washing soda (c) Silica (d) Coal

A.VERIFIED ANSWERfact-checked by tutors

Soln:

The answer is (a) Chlorine

Explanation:

Chorine is used to killing harmful organisms and the process of adding chlorine is called as chlorination.

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