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Permanent hardness of water is due to th...

Permanent hardness of water is due to the presence of

A

calcium bicarbonate

B

sulphates and chlorides of calcium, and magnesium

C

sulphates and chlorides of sodium and potassium

D

nitrates of sodium and potassium

Text Solution

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The correct Answer is:
B
Permanent hardness of water is due to the presence-of sulphates and chlorides of calcium and magnesium.
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