The chemical oxygen demand COD test is commonly used to measure which

1.	The chemical oxygen demand COD test is commonly used to measure which of the following?
A.	amount of organic compounds in water
B.	amount of oxygen in water
C.	amount of oxygen in a chemical
D.	amount of oxygen used in a oxygenation process
Answer» B. amount of oxygen in water

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The chemical oxygen demand COD test is commonly used to measure which of the following?

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