Chemistry · 2023
JEE Main · 11 April 2023, Shift 1 · Q71
Given below are two statements: Statement I: If BOD is 4 ppm and dissolved oxygen is 8 ppm, then it is a good quality water. Statement II: If the…
Given below are two statements:
Statement I: If BOD is $\displaystyle 4$ ppm and dissolved oxygen is $\displaystyle 8$ ppm, then it is a good quality water.Statement II: If the concentration of zinc and nitrate salts are $\displaystyle 5$ ppm each, then it can be a good quality water.In the light of the above statements, choose the most appropriate answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(1)
Both the statements I and II are correct
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.