1.

Assertion: Detergents are more effective cleansing agents than soaps in hard water. Reason: Calcium and magnesium salts of detergents are water soluble.

Answer»

A and R are CORRECT, R EXPLAINS the A.
A is correct, R is WRONG.
A is wrong, R is correct.
A and R are correct, R doesn't explains A.

Answer :ii


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