2. Sample Papers
  3. 4th Class
  4. Science

4th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    Which one of the following is not a physical change?

    A) Melting of wax   

    B) Evaporation of water

    C) Photosynthesis

    D) Bending of iron rod

    E) None of these

    Correct Answer: C

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