Discuss briefly de-mineralisation of water by ion exchange resin.

Answers (1)

Demineralization of water means that all the soluble salts present in water are removed through cation and anion exchange. In the cation exchange process, cations of sodium, calcium and magnesium replace those of Hydrogen. While the anion exchange process exchanges OH. This both combine to produce water. 

H^{+} + OH^{-} \rightarrow H_{2}O

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