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Chemistry > Ch.20+21 - Water > Flashcards

Ch.20+21 - Water Flashcards

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1
Q

What is the biochemical oxygen demand of a sample of water?

A

The biochemical oxygen demand for a sample of water is the amount of dissolved oxygen in p.p.m. used up by the sample over a period of 5 days at 20C in the dark.

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Chemistry (21 decks)

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