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Discussion :: GATE Exam Questions - Section 7 (Q.No.17)

17. 

Temporary hardness in water is caused by the presence of
[A]. Bicarbonates of Ca and Mg
[B]. Sulphates of Ca and Mg
[C]. Chlorides of Ca and Mg
[D]. Nitrates of Ca and Mg.

Answer: Option A

Explanation:

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