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CMC Medical CMC-Medical Ludhiana 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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