Question

$K{O}_2$ is used in life supports in space create submarines and emergency breath apparatus since it:

• A. absorbs $C{O}_2$
• B. release $O_2$
• C. release $C{O}_2$
• D. absorbs $C{O}_2$ and releases $O_2$

Answer 1

The correct option is D absorbs $C{O}_2$ and releases $O_2$

$4K{O}_2+2C{O}_2\to 2K_{2}C{O}_3+3O_2$.

It absorbs $C{O}_2$ and releases $O_2$.

Hence, option $D$ is correct.