Jee Main 2023 Environmental Chemistry PYQ with Solution

Question

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 concentration of zinc and nitrate salts are \(5 ~\mathrm{ppm}\) 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 :

Accepted Answer

C

Environmental Chemistry