Civil Engineering - Water Supply Engineering - Discussion


Alum is chemically

[A]. Copper sulphate
[B]. Aluminium sulphate
[C]. Ferrous sulphate
[D]. Ferric sulphate.

Answer: Option B


No answer description available for this question.

Anupam said: (Apr 27, 2017)  
It is hydrated potassium aluminium sulphate.

Heera said: (Sep 25, 2019)  
Alum = Al2(SO4)3*18H2O.

Aluminium sulfate is a chemical compound with the formula Al2(SO4)3.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.