Question

Zeolite used in softening process for the treatment of hard water gets exhausted after certain time of usage but can be regenerated by flushing with -

Select one:

1. 10% sodium chloride solution

2. 10% magnesium sulphate solution

3. 10% calcium chloride solution

4. 10% magnesium chloride solution

Answer 1

3. 10% calcium chloride solution

Answer 2

I think the answer is 10% calcium chloride