Environmentalmedium · Past Paper
What does 'COD' stand for in the context of water pollution?
AChemical Oxygen Demand
BCarbonic Oxide Density
CChlorine Ozone Deposit
DChemical Organic Decomposition
✓ Correct Answer: A — Chemical Oxygen Demand
COD measures the amount of oxygen required to chemically oxidize both organic and inorganic matter in water.
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