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

  • question_answer
    Which of the following is a physical change?

    A) Burning of kerosene

    B) Lighting an electric bulb

    C) Heating sugar in a pan

    D) Heating sulphur with iron fillings to red-hot state.

    Correct Answer: B

    Solution :

    No new products are formed.


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