Ncert Exercises & Solutions

Select the correct option based on statements below:

Assertion (A):	Colloidal solutions do not show Brownian motion.
Reason (R):	Brownian motion is responsible for the stability of sols.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	(A) is false but (R) is true.