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

  • question_answer
    What kind of change does a glowing electric bulb undergo?

    A)  Physical change

    B)  Chemical change

    C)  Irreversible change

    D)  Undesirable change

    Correct Answer: A

    Solution :

    As no new substance is formed when an electric bulb glows, it is a physical change.


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