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JEE Main & Advanced JEE Main Paper (Held on 10-4-2019 Afternoon)

  • question_answer
    The noble gas that does NOT occur in the atmosphere is: [JEE Main 10-4-2019 Afternoon]

    A) He                              

    B) Ra

    C) Ne                               

    D) Kr

    Correct Answer: B

    Solution :

    In question noble gas asked, which does not exist in the atmosphere and answer is given Ra. Ra is a alkaline earth metal not noble gas it should be Rn. It is printing error in JEE Main paper


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