A sample of hard water is allowed to pass through an anion exchanger. Will it produce lather will soap easily?

A sample of hard water is allowed to pass through an anion exchanger.

1.	A sample of hard water is allowed to pass through an anion exchanger. Will it produce lather will soap easily?
Answer» SOLUTION :No. `CA^(2+) and Mg^(2+)` ions are still present and these will react with SOAP to form curdy white ppt. Therefore, it will not preduce lather with soap easily.