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Explain the function of permutit in the softening of hard water.

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Explain the function of permutit in the softening of hard water.

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1. Permutit is employed for softening 6 hard water. It adsorbs Ca2 and Mg2 ions in its surface, there is an ion exchange as shown below it occurs on the surface.

2. Exhausted permutit is generated by adding a solution of commonsalt.

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