In January 2025
Answer to Question #211313 in Chemistry for Hina
Discuss the principle of chemical oxygen demand and biological oxygen demand. Also differentiate between them.
Chemical Oxygen Demand (COD) is closely related to Biochemical Oxygen Demand (BOD), the difference being that BOD is a test of the level of organic matter that can be biologically oxidised while COD is a test of the amount of organic matter that can be chemically oxidised.
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