The alum used for purifying water is (a) Ferric alum (b) Chrome alum (c) Potash alum (d) Ammonium alum

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10/12/2021 11:18 am

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Palak23

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The alum used for purifying water is

(a) Ferric alum

(b) Chrome alum

(d) Ammonium alum

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10/12/2021 11:19 am

Reyana09

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Correct answer: (c) Potash alum

Explanation:

Potash alum is used for purifying water.

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