Assertion (A) : Synthetic detergents can lather when in hard water.
Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.

A. Both A and R is true and R is the correct explanation of A

B. Both A and R is true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

Answer: Option A

Solution(By Examveda Team)

Both A and R is true and R is the correct explanation of A.