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H(2)O is hard if it contains...

`H_(2)O` is hard if it contains

A

`NaHCO_3`

B

`MgSO_4`

C

KCl

D

NaCl

Text Solution

Verified by Experts

The correct Answer is:
B
The hardness of water is generally caused by the presence of bicarbonates, chlorides and sulphates of calcium and magnesium.
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