JEE PYQ: Surface Chemistry Question 29
Question 29 - 2019 (10 Apr Shift 2)
Type: MCQ
The correct option among the following is:
(a) Colloidal medicines are more effective because they have small surface area.
(b) Addition of alum to water makes it unfit for drinking
(c) Colloidal particles in lyophobic sols can be precipitated by electrophoresis.
(d) Brownian motion in colloidal solution is faster if the viscosity of the solution is very high.
Show Answer
Answer: (b)
Solution
The process of electrophoresis is used to precipitate colloidal particles in lyophobic sols.
BETA
