1.

Assertion (A): Number of particles in colloidal dispersions are less in compare to homogeneous solutions. Reason (R) : Colloidal particles are huge aggregates.

Answer»

ASSERTION (A) and Reason (R) both are TRUE. (R) is the PROPER explanation of (A). 
Assertion (A) and Reason (R) both are true but (R) does not EXPLAINS (A). 
Assertion (A) and Reason (R) both are false.
Assertion (A) is not true but Reason (R) is true. 

Solution :Assertion (A) and Reason (R) both are true. (R) is the proper explanation of (A).


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