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  3. Chemistry
  4. Assertion (A): COD is always greater than BOD. Reason (R): COD measurement involves both organic and inorganic impurities

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Q. Assertion (A): COD is always greater than BOD.
Reason (R): COD measurement involves both organic and inorganic impurities

Environmental Chemistry

Solution:

COD measurement involve both biodegradable and non-biodegradable impurities white BOD involve only organic matter