Permanent hardness due to Mg^(2+) ions i...

Permanent hardness due to `Mg^(2+)` ions is best removed by

A

`Ca(OH)_(2)`

B

`Ca(OCl)Cl`

C

`2(CaSO_(4)).H_(2)O`

D

`Na_(2)CO_(3)`

Text Solution

Verified by Experts

The correct Answer is:

D

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