The correct option among the following is: – InterviewSolution

1.	The correct option among the following is:
Answer» Colloidal particles in lyophobic sols can be PRECIPITATED by electrophoresis. Colloidal medicines are more effective because they have small surface area. Brownian motion in colloidal solution is faster if the viscosity of the solution is very high. Addition of alum to water makes it unfit for drinking Solution :Colloidal particles in lyophobic sols are charged particles which can MOVE towards anode/cathode on application of electric FIELD hence their precipitation can OCCUR.

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