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Statement-I : Exhausted permutit can be regenerated by adding 10% CaCl₂.

Statement-II : Calgon forms soluble complexes with cations which are causing hardness to water.

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Statements I and II are correct

Statement I is correct but statement II is incorrect

Statement I is incorrect but statement II is correct

Statements I and II are incorrect

answer is C.

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Detailed Solution

I) Soluble complexes formed remain in the solution and are not responsible for hardness.

II)

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