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4th Class Science Our Environment Question Bank Our Environment

  • question_answer
                Amit continued to heat 100 mL of pure water for 15 minutes after It reached boiling point. Which of the following figures shows the result at the end of his experiment?

    A)

    B)

    C)       

    D)                               

    Correct Answer: B

    Solution :

    Water boils at 100°C and remains at this temperature till it is boiling. As the water starts evaporating at this temperature, its volume will decrease. Thus, the correct option is (b) which shows the temperature of water 100°C and volume of water 65 mL.


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