Assertion (A): For any waste water, to ascertain its polluting capacity, estimations of BOD is more relevant than that of COD
Reason (R): BOD gives the oxygen demand at the stated temperature condition.
1
Both the statement (A) and statement (B) are true and statement (B) is the correct explanation of statement (B).
2
Both the statement (A) and statement (B) are true but statement (B) is not a correct explanation of statement (A).
3
Statement (A) is true but statement (B) is false
4
Statement (A) is false but statement (B) is true.
5
Question Not Attempted