A) eliminates moisture
B) absorbs\[C{{O}_{2}}\]
C) produces ozone
D) none of the above
Correct Answer: B
Solution :
Potassium superoxide\[(K{{O}_{2}})\]is used in submarine and space because it absorbs\[C{{O}_{2}}\]and liberates\[{{O}_{2}}\]. \[2K{{O}_{2}}+2C{{O}_{2}}\xrightarrow{{}}2{{K}_{2}}C{{O}_{3}}+{{O}_{2}}\]
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