2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    Transfer of heat between two substances occurs when:

    A) both the substance have equal temperatures

    B) the substances have different temperatures

    C) difference of the temperature is more than \[25{}^\circ C\]

    D) difference of the temperature is less than \[25{}^\circ C\]

    E) None of these

    Correct Answer: B

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