Chemistry, asked by rajarshidas53, 1 year ago

Give reason that alum is used in purification of river water
Give reason that alum is used in purification of river water

Answers

Answered by Vaishnavi2227
22

Alum, when added to raw water reacts with the bicarbonate alkalinities present in water and forms a gelatinous precipitate. This floc attracts other fine particles and suspended material in raw water, and settles down at the bottom of the container.

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Answered by kumarakhilesh1091976
8

Explanation:

alum help in loading and hence help the fine solid particles to settle down is and get pure water

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