Question

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

• A. Both A and R are correct and R is the correct explanation of A.
• B. Both A and R are correct but R is not the correct explanation of A.
• C. Both A and R are not correct.
• D. A is not correct but R is correct

Answer 1

Answer: (A)

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