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.
Related Questions
Q. India has vast reserves of natural gas, which among the following states have natural gas deposits?