Question

List 5 salts responsible for permanent hardness of water.

Answer 1

Salts of Calcium and Magnesium are responsible for hardness of water. Bicarbonates, Carbonates, Chlorides and Sulphates of Calcium and Magnesium causes permanent hardness. These are the salts that cause permanent hardness of water.

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Answer 2

Salts of Calcium and Magnesium are responsible for hardness of water. Bicarbonates, Carbonates, Chlorides and Sulphates of Calcium and Magnesium causes temporary and permanent hardness.