Which disinfectant cannot be used in drinking water?
A. Potassium permanganate
B. Bleaching powder
C. Phenol
D. Chlorine
Answer: Option C
Related Questions on Environmental Chemistry
The term 'brown air' is used for
A. Acid fumes
B. Photochemical smog
C. Sulphurous smog
D. Industrial smog

Join The Discussion