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

  • question_answer
    Read the given statements carefully and find the incorrect match.

    A) A metal used in joining electric wires - Magnesium

    B) A metal whose oxide is soluble in both acids and bases - Zinc

    C) A metal unreactive towards oxygen and dilute acids - Gold

    D) A metal extracted by using electrolytic reduction - Aluminium

    Correct Answer: A

    Solution :

    Copper metal is used in joining electric wires due to its high electrical conductivity, enough tensile strength and ductility.


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