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

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Q: 145 (IAS/2002)

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

Science

question_exam: 

IAS

stats: 

0,30,20,30,4,4,12

keywords: 

{'synthetic detergents': [0, 0, 1, 0], 'hard water': [0, 0, 0, 2], 'soluble calcium': [0, 0, 1, 0], 'magnesium salts': [0, 0, 2, 1]}