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

6th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    Which one of the following is an irreversible change?

    A) Boiling of water 

    B) Burning of wax

    C) Melting of ice                 

    D) Turning water into water vapour

    E) None of these

    Correct Answer: B

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