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7th Class Science Heat Question Bank Heat

  • question_answer
    A pot full of water is put to boil on the stove. Which one of the graphs below shows the correct change in temperature over time?

    A)                   

    B)      

    C)       

    D)            

    Correct Answer: A

    Solution :

    Once the water starts boiling, the temperature does not change, it remains at 100°C during the time the water boils. So, graph (A) shows the correct variation of temperature with time.


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