If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is

If a 2% solution of sewage sample is incubated for 5 days at 20°C an

1.	If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is
A.	100 mg/l
B.	200 mg/l
C.	300 mg/l
D.	400 mg/l
Answer» E.