Question
Question: KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it...
KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it
A
Absorbs CO2 and increases O2 contents
B
Eliminates moisture
C
Absorbs CO2
D
Produces ozone
Answer
Absorbs CO2 and increases O2 contents
Explanation
Solution
4KO2 + 2CO2 ® 2K2CO3 + 3O2 . It absorbs CO2 and release O2