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AIEEE 2002 Chemistry Solved Paper
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© examsnet.com
Question : 21
Total: 76
KO
2
(potassium super oxide) is used in oxygen cylinders in space and submarines because it
absorbs
CO
2
and increases
O
2
content
eliminates moisture
absorbs
CO
2
produces ozone
Validate
Solution:
2
KO
2
+
2
H
2
O
→
2
KOH
+
H
2
O
2
+
O
2
KO
2
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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