Q. Which method will be employed to test the hardness of water?

A
Boiling
B
Distillation
C
Formation of lather with soap
D
None of these
Solution:

Hard water doesn’t form lather with soap while soft water readily forms lather with soap. Boiling and distillation are the processes of removing hardness of water.

Entri PDF Icon

Get Question Bank

Strengthen Your Practice with our comprehensive question bank.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!