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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: The four diagrams below represents the results of mixing atoms of different substances. Each atom is represented by a different symbol. Which diagram correctly shows a chemical change?

    A)

    B)

    C)

    D)

    Correct Answer: B

    Solution :


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