Q. Name the compound used for purification of air in submarines?

A
Potassium bicarbonate
B
Potassium permanganate
C
Sodium peroxide
D
Calcium phosphate
Solution:

Sodium peroxide is the inorganic compound with the formula Na2O2. This yellowish solid is the … source by reacting it with carbon dioxide to produce oxygen and sodium carbonate; it is thus particularly useful in scuba gear, submarines, etc.

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