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  5. Physical and Chemical Changes

7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Which of the following properties of iron is NOT a physical property?

    A)  Electrical conductivity

    B)  Magnetic property

    C)  Good conductor of heat

    D)  Reaction with moisture to get rusted

    Correct Answer: D

    Solution :

    Rusting is not a physical property as the rust of iron is a new substance, an oxide of iron.


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