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Alum is used for cleaning muddy water. G...

Alum is used for cleaning muddy water. Give the reason?

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.A n b:. Clay particles present in muddy water are negatively chárged. On adding alum, positively charged .Al^3+. ions of alum ._4. neutralise the negative charge of clay. particles. Hénce.clay particles get precipitated then can be removed by filteration to get clean water.
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V PUBLICATION-SURFACE CHEMISTRY-QUESTION BANK
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