The material which is added to water during purification process at the water works so as to disinfect it is :(a) potassium permanganate (b) betadine (c) chlorine (d) potash alum

Academic Chemistry NCERT Class 9

Correct Answer: (c) chlorine

Explanation: Chlorine is added to water during the purification process at the waterworks so as to disinfect.

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Updated on: 10-Oct-2022

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