State whether the given statement is true or false:

In anion exchange resin the anions of hard water get replaced by $O H^{-}$ ions.

True

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False

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Solution

The correct option is A True
In anoin exchange resin the reaction takes place as
$N H_{4}^{+} O H^{-} + H C l \to N H_{4} C l + H_{2} O$
so, the anion of hard water get replaced by $O H^{-}$ ion.

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K^{+}

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