Question

Which of the following salts are responsible for permanent hardness.Calcium chloride, Calcium carbonate, Calcium bicarbonate, Calcium sulphate,

Magnesium chloride, Magnesium bicarbonate, Magnesium carbonate, Magnesium

sulphate.​

Answer 1

Answer:

Bicarbonates of calcium and magnesium and chlorides and sulphates of calcium and magnesium are responsible for temporary and permanent hardness

Explanation:

Answer 2

Answer:

Salts responsible for temporary hardness = Calcium bicarbonate, Magnesium bicarbonate, Calcium carbonate, Magnesium carbonate

Salts responsible for permanent hardness = Calcium sulphate, Calcium chloride, Magnesium sulphate, Magnesium chloride

Explanation:

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