Which of the following is used as a source of O_(2) in space capsules,

1.	Which of the following is used as a source of O_(2) in space capsules, submarines etc?
Answer» `K_(2)O` `Na_(2)O_(2)` `Li_(2)O` `Na_(2)O`. SOLUTION :`Na_(2)O_(2)` is used as a source of `O_(2)` in SPACE capsules and SUBMARINES `2Na_(2)O_(2)+2CO_(2)rarr2Na_(2)CO_(3)+O_(2)`

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