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8th Class Science Materials : Metals and Non-metals Question Bank Materials : Metals and Non-metals

  • question_answer
    Which of the following substances will prevent corrosion of metals?

    A)  Nitrogen                            

    B)                         Hydrogen

    C)                         Oxygen                              

    D)                         Carbon

    Correct Answer: A

    Solution :

    The supply of nitrogen to a corrosive metal will prevent its corrosion.


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