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When zeolite which is hydrated sodium al...

When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion (S)?

A

`H^(+)` ion

B

`Mg^(2+)` ions

C

`Ca^(2+)` ions

D

`SO_(4)^(2-)` ions

Text Solution

Verified by Experts

The correct Answer is:
B, C
To make hard water soft, zeolite method is used. Sodium zeolite or sodium alumino silicate `(Na_(2)AI_(2)SiO_(3).xH_(2)O)` is used. It has a unique property of exchanging cations such as `Ca^(2+)` and `Mg^(2+)` in hard water for sodium ion.
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