1.

Assertion : Detergents are more effective cleansingagentsthan soaps in hard water . Reason : Calcium and magnesiumsaltsof detergentsare water soluble .

Answer»

AAND R are CORRECT , R explain the A .
A is correct, R is WRONG .
A is wrong, R is correct
A and Rare correct , R doesn't explain A .

ANSWER :A


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