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

  • question_answer
    Which of the following is a physical change?

    A)  Grinding of wheat

    B)  Photosynthesis                   

    C)  Curdling of milk 

    D)                     Burning of coal

    Correct Answer: A

    Solution :

    During grinding of wheat, only the size changes. The grains of wheat are powdered to flour. Hence, it is only a physical change.


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