Ncert Exercises & Solutions

Select the correct option based on statements below:

Assertion (A):	Detergents with low CMC are more economical to use.
Reason (R):	The cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.

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.