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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-metals

  • question_answer
    Which one of the following is incorrectly paired?

    A) Bass - Cu and Zn

    B) Bronze - Cu, Zn and Sn

    C) Solder - Pb and Sn

    D) Duralumin - Al, Cu, Mg and Zn

    E) None of these

    Correct Answer: C

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