Chemistry, asked by sharad9267, 10 months ago

Permanent hardness can be removed by using cation exchange resins explain with reaction

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Answered by sarveshkumar83

0

Hard water contains dissolved magnesium and calcium ions. These make it more difficult for the water to form a lather with soap. Temporary hardness is caused by dissolved calcium hydrogencarbonate (which is removed by boiling). Permanent hardness is caused by dissolved calcium sulfate (which is not removed by boiling).

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