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The alum used for purifying water is...

The alum used for purifying water is

A

Ammonium alum

B

Chrom alum

C

Ferric alum

D

Potash alum

Text Solution

Verified by Experts

The correct Answer is:
(d)
Purification of water is done by using potash alum `[K_(2)SO_(4).Al_(2)(SO_(4))_(3). 24H_(2)O] `because it coagulates the impurities.
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