(B) Alum is added to muddy water to coagulate the suspended clay particles,which are negatively charged,by the action of $Al^{3+}$ ions. This process

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(B) Alum is added to muddy water to coagulate the suspended clay particles,which are negatively charged,by the action of $Al^{3+}$ ions. This process helps in clearing the water.

Class 12 Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their properties with application

Difficult

Muddy water can be purified through coagulation using

A
Common salt
B
Alums
C
Sand
D
Lime

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Surface Chemistry

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Colloids, Emulsion, Gel and Their properties with application

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Muddy water can be purified through coagulation using

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