A) absorbs \[C{{O}_{2}}\] and increases \[{{O}_{2}}\] contents
B) eliminates moisture
C) absorbs \[C{{O}_{2}}\]
D) produces ozone
Correct Answer: A
Solution :
Potassium super oxide is used in oxygen cylinders in space and submarines because it absorbs \[C{{O}_{2}}\] and increases \[{{O}_{2}}\] contents. \[4K{{O}_{2}}+2C{{O}_{2}}\xrightarrow{{}}2{{K}_{2}}C{{O}_{3}}+3{{O}_{2}}\]
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