Computer · Environmental Engineering
For any given domestic wastewater sample, which of the following statements is correct regarding COD and BOD?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1BOD and COD are always exactly equal
- 2COD is always greater than or equal to BOD✓
- 3It depends on the percentage of biodegradable matter and can vary either way
- 4COD may be less than BOD
Correct answer
COD is always greater than or equal to BOD
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