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Permanent hardness of water is due to th...

Permanent hardness of water is due to the presence of

A

Bicarbonates of sodium and potassium

B

Chlorides and sulphates of sodium and potassium

C

Chlorides and sulphates of calcium and magnesium

D

Bicarbonates of calcium and magnesium

Text Solution

Verified by Experts

The correct Answer is:
C
Permanent hardness of water is due to chlorides and sulphates of calcium and magnesium.
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