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

  • question_answer
    Observe the following figures. Identify the type of change.

    A)  Physical change

    B)  Chemical change

    C)  Reversible change

    D)  Periodic change

    Correct Answer: B

    Solution :

    In the given figure, carbon reacts with oxygen to form carbon dioxide, a new substance. It is a chemical change.


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