JEE Main 2002 — S Block Elements Question with Solution
From: AIEEE 2002
Question
KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it :
Choose an option
Show full solutionCorrect option: A
Correct answer
Aabsorbs CO2 and increases O2 content
Step-by-step explanation
is used as an oxidising agent. It is used as air purifier in space capsules. Submarines and breathing masks as it produces oxygen and removes carbon dioxide.
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This is a previous-year question from JEE Main 2002, covering the S Block Elements 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.