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JEE Main 25 June 2022 Shift 2 Solved Paper

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Question : 72

Total: 90

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Polluted water may have a value of BOD of the order of 17‌ppm.
Reason R : BOD is a measure of oxygen required to oxidise both the bio-degradable an nonbiodegradable organic material in water.
In the light of the above statements, choose the most appropriate answer from the options given below.

[25-Jun-2022-Shift-2]

Both A and R are correct and R is the correct explanation of A.
Both A and R are correct but R is NOT the correct explanation of A.
A is correct but R is not correct.
A is not correct but R is correct.

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