JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Noble Gases Family

  • question_answer
    Percentage of \[Ar\] in air is about [CPMT 1989]

    A) 1%

    B) 2%

    C) 3%

    D) 4%

    Correct Answer: A

    Solution :

    Not Available


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