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  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-17

  • question_answer
    One liter of water at \[20{}^\circ C\] is mixed with one liter of water at\[30{}^\circ C\]. The temperature of the mixture will be:

    A) \[50{}^\circ C\]

    B) less than \[20{}^\circ C\]

    C) between \[20{}^\circ C\] and \[30{}^\circ C\]

    D) \[10{}^\circ C\]

    E) None of these

    Correct Answer: C

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