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

  • question_answer
    DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Which of the following Venn diagrams shows the relationship between changes correctly?

    A)       

    B)

    C)       

    D)

    Correct Answer: D

    Solution :

    All chemical changes are irreversible and the original substances cannot be obtained.


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