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Question

Consider the following two statements about soap and detergent –
(i) Soap is natural while detergent is a synthetic product.
(ii) Both soap and detergent precipitate scum in hard water
(iii) Soap is sodium or potassium salt of fatty acids
Which of the above statements is (are) true?

A
(i) and (ii)
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B
(ii) and (iii)
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C
(iii) and (i)
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D
All
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Solution

The correct option is C (iii) and (i)

Soap forms scum with hard water but detergent does not form any scum. Hence statement (ii) is incorrect.


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