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

  • question_answer
    What happens when a mixture of powdered iron and copper (II) oxide are heated in a crucible?

    A) Iron (II) oxide and copper are formed.

    B) Copper (III) oxide and iron (II) oxide are formed.

    C) Iron (III) oxide and copper sulphate are formed.

    D) No reaction takes place.

    Correct Answer: A

    Solution :

    Iron being more reactive than copper displaces it from the oxide forming iron (II) oxide and copper.


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