Chemical Process
Sulphuric acid completely saturated with sulphur trioxide is called

Dilute sulphuric acid
Sulphurous acid
Concentrated sulphuric acid
Oleum

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Pick out the false statement pertaining to water treatment.

Aeration of water is effective in CO₂ removal
Sodium sulphate or sodium carbonate do not cause hardness in water
The zeolite water softening process reduces the hardness of water by not more than 50%
Water with pH value less than 7, is acidic

ANSWER DOWNLOAD EXAMIANS APP