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  • Which of the following processes best describes the purification of muddy water by the addition of alum?Option: 1  Absorption<div

Which of the following processes best describes the purification of muddy water by the addition of alum?

Option: 1

 Absorption


Option: 2

Coagulation


Option: 3

 Dialysis


Option: 4

Electrodialysis


Answers (1)

best_answer

Alum coagulates the impurities present in muddy water, which settles down.

The stability of the lyophobic sols is due to the presence of charge on colloidal particles. If the charge is removed, particles come together and settle down. Spontaneous destabilization of the solution is ageing and destabilization of the solution by artificial means is called coagulation. Alums purify muddy water by coagulation.

Posted by

himanshu.meshram

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