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Correct statement(s) among the following is (are)

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Hard ness of water depend upon its soap precipitating capacity

Temporary hardness is due to bicarbonates of Ca & Mg

Permanent hardness is due to soluble sulphates & Chlorides of Ca & Mg

Permanent hardness can be removed by boiling

answer is A, B, C.

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Hard ness of water is due to the dissolved salts of chlorides, sulphates and bicarbonates of Ca and Mg

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