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Metals ions causing hardness of water ar...

Metals ions causing hardness of water are:

A

`Ca^(2+) and Na^+`

B

`Mg^(2+) and K^+`

C

`Ca^(2+) and Mg^(2+)`

D

`Zn^(2+) and Ba^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
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