6th Class Science Sample Paper Science Olympiad Model Test Paper-5

  • question_answer
    An gold ring is heated. Which one of the following statements about it is incorrect?

    A) The ring expands

    B) The ring comes to almost same size on cooling

    C) The change in this case can be reversed

    D) The change in this case is permanent and can't be reversed

    E) None of these

    Correct Answer: D


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