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  5. The s-Block Elements / s-ब्लॉक के तत्व

JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Critical Thinking

  • question_answer
    The noble gas was first time discovered by

    A) Cavandish

    B) William Ramsay

    C) Rayleigh

    D) Frankland

    Correct Answer: B

    Solution :

    Helium was firstly discovered by willium Ramsay.


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