NEET Chemistry The s-Block Elements Questions Solved


KO2 is used in oxygen cylinder in space air craft and submarines because it:

(a) absorbs CO2 and increase O2 content

(b) eliminate moisture

(c) absorbs CO2

(d) produces O2

(a) 2KO2 + CO2           K2CO3 + 32 O2

Difficulty Level:

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  • 16%
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