1.

If 2% solution of a sewage sample is incubated for 5 days at 20 degrees and depletion of oxygen was found to be 5 ppm, BOD of the sewage is

A. 1000 ppm
B. 300 ppm
C. 250 ppm
D. 10 ppm
Answer» D. 10 ppm


Discussion

No Comment Found

Related MCQs