JEE Main 2023 — Environmental Chemistry Question with Solution
From: JEE Main 2023 (Online) 29th January Evening Shift
Question
The concentration of dissolved Oxygen in water for growth of fish should be more than ppm and Biochemical Oxygen Demand in clean water should be less than ppm. X and Y in ppm are, respectively.
Choose an option
Show full solutionCorrect option: D
| 6 | 5 |
Step-by-step explanation
For high growth, dissolved oxygen should be less than 6 ppm and clean water has dissolved oxygen less than 5 ppm.
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This is a previous-year question from JEE Main 2023, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.