758Chemical EngineeringMedium
Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in________?
ANitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter
BOxidation of carbonaceous matter to CO2
CCoagulation and flocculation of colloids
DAll A., B. and C.
Correct answer
D. All A., B. and C.
Explanation
The correct answer is All A., B. and C..