JEE Mains 11-Apr-2023 Shift 1 Solved Paper

Section: Chemistry

Question : 77 of 90

Marks: +1, -0

Given below are two statements:
Statement I : If BOD is 4‌ppm and dissolved oxygen is 8‌ppm, it is a good quality water.
Statement II : If the concentration of zinc and nitrate salts are 5‌ppm each, than it can be good quality water.
In the light of the above statements choose the most appropriate answer from the options given below:

[11-Apr-2023 shift 1]

Statement I is incorrect but statement II is correct
Statement I is correct but statement II is incorrect
Both the statements I and II are incorrect
Both the statement I and II are correct

Validate

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