Que. | Which of the following pairs is not correctly matched ? |
- A. B.O.D. .......... Strength of sewage
- B. Methane ......... Product of anaerobic decm position
- C. C.O.D. .......... Biodegradability of waste water
- D. Nitrate ........... Methemoglobinemia
Right Answer is :
✓ C. C.O.D. .......... Biodegradability of waste water