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Solution - Soaps and Detergents

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Question

Hard water is not available for an experiment. Some salts are given below :

(I) Sodium chloride

(II) Sodium sulphate

(III) Calcium chloride

(IV) Calcium sulphate

(V) Potassium chloride

(VI) Magnesium sulphate

Select from the following group of these salts, each member of which may be dissolved in water to make it hard.

(A) I, II, V

(B) I, III, V

(C) III, IV, VI

(D) II, IV, VI

Solution

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Reference Material

Solution for concept: Soaps and Detergents. For the course CBSE
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