Chemistry, asked by aryanshsingh63, 3 months ago

alum is added to the sedimentation tank during purification of water give reason

Answers

Answered by agrawalpriya85

1

Explanation:

Suspended particles cannot be removed completely by plain settling. ... Chemicals (coagulants) are added to the water to bring the nonsettling particles together into larger, heavier masses of solids called floc. Aluminum sulfate (alum) is the most common coagulant used for water purification.

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