JEE Main & Advanced Sample Paper JEE Main Sample Paper-23

  • question_answer
    Which one is used as an air purifier in spacecraft?  

    A)  Quick lime

    B)  Slaked lime

    C)  Potassium superoxide

    D)  Anhydrous \[CaC{{l}_{2}}\],

    Correct Answer: C

    Solution :

    \[2K{{O}_{2}}+CO\xrightarrow{\,}\,{{K}_{2}}C{{O}_{3}}+{{O}_{2}};\] \[2K{{O}_{2}}+C{{O}_{2}}\xrightarrow{\,}\,{{K}_{2}}C{{O}_{3}}+\frac{1}{2}{{O}_{2}}\].


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