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  5. Periodic Classification of Elements

10th Class Science Periodic Classification of Elements Question Bank Periodic Classification of Elements

  • question_answer
    Identify the set of inert gases.

    A) Oxygen, nitrogen, hydrogen

    B) Fluorine, chlorine, bromine  

    C) Neon, argon, krypton

    D) All of the above

    Correct Answer: C

    Solution :

    Helium, neon, argon, krypton, xenon and radon are a set of inert (inactive) gases.


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