Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
The method that cannot be used for removing permanent hardness of water is | |
A. | adding sodium carbonate [Wrong Answer] |
B. | distillation [Wrong Answer] |
C. | adding caustic soda [Wrong Answer] |
D. | boiling [Correct Answer] |