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Uses of Alkali Metals

" KO2 is O...

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" $K O_{2}$ is $O_{2}$ absorber and $C O_{2}$ producer." It is also used in submarines."
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Solution

$K O_{2}$ is $C O_{2}$ absorber and $O_{2}$ producer.
It is also used in submarines as it absorbs $C O_{2}$ and increases oxygen content as follows :
$4 K O_{2} + 2 C O_{2} ⟶ 2 K_{2} C O_{3} + 3 O_{2}$

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