The biochemical treatment applied to sewage effluents is a process of__________________?

Related Mcqs:

Shaving soaps are____________________?

A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property B. Metallic soaps compounded with frothing agents C. High free alkali soaps having excess of cane sugar and alcohol D. None of these...

Penicillin, an antibiotic drug was discovered by__________________?

A. Alexander B. Flaming C. Doctor Zhivago D. None of these...

Chemical formula of ‘salt cake’ is____________________?

A. Na2SO4 B. CaSO4 C. MgSO4 D. BaSO4...

Fusion of bauxite and ________________ produces high alumina cement?

A. Alum B. Limestone C. Coke D. Quartz...

The drug used in contraceptives is____________________?

A. Sulfadiazine B. Mestranol C. Methyl salicylate D. Penicillin...