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

6th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    Which one of the following changes cannot be reversed to form original substance?

    A) Drying of clothes

    B) Expansion of metals on heating

    C) Melting of ice-cream

    D) Ironing of clothes

    E) None of these

    Correct Answer: E

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