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Temporary hardness of water is due to the presence of the following salts of calcium and magnesium:

 # Temporary hardness of water is due to the presence of the following salts of calcium and magnesium:
A. Bicarbonates
B. Sulphates
C. Chlorides
D. Nitrates



The correct answer is A. Bicarbonates.

Temporary hardness of water is due to calcium and magnesium bicarbonates while permanent hardness is due to calcium and magnesium sulphates, chlorides and nitrates. 


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