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प्रश्न
Answer the following question using the data given below:
Assertion: Detergents are more effective cleansing agents than soaps in hard water.
Reason: Calcium and magnesium salts of detergents are water-soluble.
पर्याय
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 explain A.
उत्तर
A is correct, R is wrong.
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