Environmental Studies Short Question | Gkseries

Question

Identify the incorrect statement with regard to water purification by coagulation.

A Particles suspended in water are in colloidal form.
B Suspended particles carry a positive charge.
C Suspended particles due to similar charge repel each other.
D When alum is added it works as a coagulant.

Answer & Explanation

Answer:Suspended particles carry a positive charge.

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