JEE Main 2019 — Environmental Chemistry Question with Solution
JEE Main 2019 (11 Jan Shift 1)
Question
The concentration of dissolved oxygen (DO) in cold water
can go upto
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Dissolved oxygen (DO) in cold water can reach a concentration upto .
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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.