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The COD value is ________than the BOD value.

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The COD value is ________than the BOD value.

(a) Lower

(b) Higher

(c) Depends on a particular sample

(d) None of the mentioned

I have been asked this question during an online exam.

The origin of the question is Material balances for a Combustion System-II topic in chapter Material Balances without Reaction and Material Balances Involving Reactions of Chemical Process Calculation

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The correct option is (b) Higher

Easiest explanation: COD includes slowly biodegradable and recalcitrant organic compounds not degraded by microorganisams as in BOD test.

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