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Which one is used as an air purifier in space craft?(a) Quick lime (b) Potassium super oxide (c) Caustic soda(d) H2O2 |
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Answer» Correct option (b) Potassium super oxide Explanation: KO2 give KOH, H2O2 and O2 with water, H2O2 oxidises CO to CO2 which is absorbed by KOH |
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