Civil Engineering - Water Supply Engineering - Discussion


Hardness of water can be removed by boiling if it is due to

[A]. calcium bicarbonates
[B]. calcium sulphates
[C]. calcium chloride
[D]. calcium nitrates.

Answer: Option A


No answer description available for this question.

Joe said: (Jan 25, 2020)  
caco3 and ca(hco3)2 temporary hardness.
Sulphate chloride nitrate permanent hardness.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.