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Which of the following ions will caus...

Which of the following ions will cause hardness in water sample?

A

`Ca^(2+)`

B

`Na^(+)`

C

`Cl^(-)`

D

`K^(+)`

Text Solution

Verified by Experts

The correct Answer is:
A
Bicarbonates, chlorides and sulphates of Ca and Mg are responsible for the hardness of water.
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