JEE Main 2019 — Environmental Chemistry Question with Solution
From: JEE Main 2019 (Online) 11th January Morning Slot
Question
The concentration of dissolved oxygen (DO) in cold water can go upto :
Choose an option
Show full solutionCorrect option: D
Correct answer
D10 ppm
Step-by-step explanation
In cold water, dissolved oxygen (DO) can reach a
concentration upto 10 ppm.
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This is a previous-year question from JEE Main 2019, 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.