JEE Mains 11 Apr 2023 Shift 1 Paper

Section: Chemistry

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Question : 77 of 90

Marks: +1, -0

Given below are two statements:

Statement I : If BOD is

4\,\text{ppm}

and dissolved oxygen is

8\,\text{ppm}

, it is a good quality water.

Statement II : If the concentration of zinc and nitrate salts are

5\,\text{ppm}

each, then 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

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