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Cleansing Action of Soap

gives lather ...

Question

__________ gives lather even with hard water due to the formation of _.

A

Soaps, soluble salts

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B

Detergents, soluble salts

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C

Detergents, insoluble salts

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D

Soaps, insoluble precipitates

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Solution

The correct option is B Detergents, soluble salts
Synthetic detergents are used in the case of hard water also because the calcium and magnesium salts of detergents are soluble in water. Detergents are more soluble than soaps and hence form more lather than soaps.

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