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Railways General Science & Technology Metals and Non-metals / धातु और अधातु Sample Paper Properties and Uses of Metals and Non-Metals Sample Test Paper-19

  • question_answer
    Which of the following elements behave chemically, both as a metal and a non-metal?

    A)  Argon  

    B)  carbon

    C)  Xenon 

    D)  boron

    Correct Answer: D

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