Civil Engineering MCQAE Level Civil Engineering
Which of the following about chemical oxidation demand is correct?
Environmental EngineeringCODHARD
Choose the correct answer
A
COD is generally faster and may include non-biodegradable oxidizable matter
B
COD is always lower than BOD
C
COD measures only turbidity
D
COD requires no oxidant
Correct Answer
A. COD is generally faster and may include non-biodegradable oxidizable matter
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COD estimates oxygen equivalent of chemically oxidizable substances. Correct option: A.
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