Permanent hardness in water cannot be cured b | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Permanent hardness is caused by the presence of dissolved chlorides and sulfates of $Ca^{2+}$ and $Mg^{2+}$ ions. Boiling is only effective for re

Vedclass · Accepted Answer

Boiling

Vedclass · Answer

(C) Permanent hardness is caused by the presence of dissolved chlorides and sulfates of $Ca^{2+}$ and $Mg^{2+}$ ions. Boiling is only effective for removing temporary hardness,which is caused by the presence of $HCO_3^-$ (bicarbonate) ions. Methods like treatment with washing soda $(Na_2CO_3)$,Calgon's method,and the ion exchange method are used to remove permanent hardness.

Permanent hardness in water cannot be cured by

Similar Questions

Molecular weight of heavy water is

The metal salts formed during the softening of hard water using $Clark's$ method are:

Which of the following reagents is not used for the removal of permanent hardness of water?

The boiling point of heavy water is ............ $^o C$?

Which of the following compounds is used for the softening of hard water by Clark's method?

Vedclass Test Series

Exam Paper Generator

Online Exam Module