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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 is NOT a chemical change?

    A)  Digestion of food

    B)  Precipitation of rain and snow

    C)  Rusting of iron

    D)  Burning of paper

    Correct Answer: B

    Solution :

    Precipitation of rain and snow is only a change of state and no new substance is formed.


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