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
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