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Which is incorrect about permutit or zeo...

Which is incorrect about permutit or zeolite:

A

By it both temporary and permanent hardness of water can not be removed.

B

if formula is `Na_(2)Al_(2)Si_(3)O_(8).xH_(2)O`

C

it softens hard water by exchanging its `Na^(+)` ions with `Ca^(2+)` and `Mg^(2+)` present in hard water.

D

Exhausted zeolite can be regenerated by passing conc. Solution of NaCI through it.

Text Solution

Verified by Experts

The correct Answer is:
A, B
(A)Both hardness can be removed by it.
(B)Zeolite :`Na_(2)Al_(2)Si_(2)O_(8).xH_(2)O`
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