Which of the following is responsible for permanent hardness of water?

Question

Accepted Answer

(a) Chlorides and Sulphates of Calcium and Magnesium — Permanent hardness is due to the presence of soluble salts of magnesium and calcium in the form of chlorides and sulphates in water. Permanent hardness cannot be removed by boiling.

Answer

(B) Bicarbonates of Calcium

Answer

(C) Bicarbonate of Magnesium

Answer

(D) Chloride of Silver and Potassium

Which of the following is responsible for permanent hardness of water?

Asked in

Related questions