Which of the following methods is used for the removal of temporary hardness of water ?

Question

Which of the following methods is used for the removal of temporary hardness of water ? (A) Treatment with washing soda (B) Calgon method (C) Ion-exchange method (D) Clark's method

Tardigrade Admin · Accepted Answer

Clark's method is used for the removal of temporary hardness of water. In Clark's method, slaked lime is added to the temporary hard water. Insoluble calcium carbonate precipitates out and no longer produce hardness.

Q. Which of the following methods is used for the removal of temporary hardness of water ?

Treatment with washing soda

Calgon method

Ion-exchange method

Clark's method

Clark's method is used for the removal of temporary hardness of water. In Clark's method, slaked lime is added to the temporary hard water. Insoluble calcium carbonate precipitates out and no longer produce hardness.