

MCQOPTIONS
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1. |
The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by |
A. | TOD > BOD > COD |
B. | TOD > COD > BOD |
C. | BOD > COD > TOD |
D. | COD > BOD > TOD |
Answer» C. BOD > COD > TOD | |