Given below are two statements: Statement I: If BOD is 4 ppm and dissolved oxygen is 8 ppm. then it — JEE Mains Chemistry Past Papers Chemistry Question

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 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: (A) Both the statements I and II are incorrect (B) Statement i: is correct but Statement II is incorrect (C) Statement i is incorrect but Statement II is correct (D) Both the statements I and II are correct