Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Oil and grease present in an emulsified state in waste water discharged from industries can be removed by | |
A. | biological oxidation. [Wrong Answer] |
B. | skimming off. [Wrong Answer] |
C. | settling out using chemical reagents. [Correct Answer] |
D. | chlorination. [Wrong Answer] |