Question

write down the principle and reaction of permutit process for removal of hardness​

Answer 1

Answer:

Hard water has high content of mineral. When water percolates through the deposits of chalk and limestone composed of magnesium and calcium carbonates, it is produced. It does not lather with soap, so for laundry purposes it is not appropriate.

Explanation:

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Answer 2

Answer:

I explain permanent and temorony hardness with example