Which one of the following statements is incorrect about soaps?

Soaps are biodegradable

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Soaps are sodium salts of higher fatty acids

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Soaps are prepared from natural oils and fats

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Soaps can be used in acidic solutions

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Solution

The correct option is C Soaps can be used in acidic solutions
Soaps cannot be used in acidic conditions because they lose their cleansing effect due to the formation of insoluble long-chain fatty acids. The pH of these fatty acids is less than 7, which is not good for clothes.

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Which of the following statements is/are correct about Trans fatty acids (TFAs) or Trans fats?

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