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  3. 4th Class
  4. Science

4th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    Which of the following is an example of chemical change?

    A) Stretching of a rubber band

    B) Breaking of glass

    C) Tearing of a piece of paper

    D) Burning of a piece of paper

    E) None of these

    Correct Answer: D

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