2. Sample Papers
  3. 6th Class
  4. Science

6th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which one of the following is a physical and irreversible change?

    A) Freezing of water

    B) Bursting of a balloon

    C) Dissolving salt into water

    D) Boiling of water

    E) None of these

    Correct Answer: B

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