1. The higher the value of chemical oxygen demand indicates the higher organic pollution in the water sample.  A. True  B. False 2.  COD measures the total amount of O2 needed to oxidize all organic matter into CO2 and water. A. True  B. False

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1. The higher the value of chemical oxygen demand indicates the higher organic pollution in the water sample. 

A. True 
B. False

2.  COD measures the total amount of O2 needed to oxidize all organic matter into CO2 and water.

A. True 
B. False

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