Calgon is used for removal of
...Calgon is used for removal of
sodium carbonate
permanent hardness of water
potassium carbonate
none of these
Correct answer is B
No explanation has been provided for this answer.
Conventional tertiary treatment is ...
Sulphydryl oxidase is used for ...
The purest form of naturally occurring water is ...
Discoloration can be achieved by using ...
The activated sludge process consists of returning a portion of the clarifier ...
Soya off flavour removal may be achieved using ...
Permanent hardness of water may be removed by the addition of ...