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Soaps do not act efficiently in hard water and in acidic solution.

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in Engineering Chemistry II by (789k points)
Soaps do not act efficiently in hard water and in acidic solution.

(a) True

(b) False

This question was addressed to me during an interview for a job.

Query is from Soaps topic in chapter Industrially Important Materials of Engineering Chemistry II

1 Answer

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The correct answer is (a) True

The explanation: Soaps do not act efficiently in hard water and in acidic solution due to their softness as compared to detergents. Soaps are the soft detergents and cannot be used in water containing calcium and magnesium salts.

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