2. Sample Papers
  3. 5th Class
  4. Science

5th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which of the following changes cannot be reversed?

    A) Conversion of ice into water

    B) Conversion of water into water vapours

    C) Changing of paper into ash on burning

    D) Changing of candle wax into molten wax

    E) None of these

    Correct Answer: C

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