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JCECE Engineering JCECE Engineering Solved Paper-2009

  • question_answer
    What is the correct order of occurrence \[(%\] by weight) in air of\[Ne,\,\,\,Ar\]and\[Kr\]?

    A) \[Ne>Ar>Kr\]   

    B) \[Ar>Ne>Kr\]

    C) \[Ar>Kr>Ne\]   

    D) \[Ne>Kr>Ar\]

    Correct Answer: B

    Solution :

    The correct order of occurrence in air is \[Ar>Ne>Kr\]


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