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3rd Class Science Our Environment Question Bank Our Environment

  • question_answer
    The given graph shows the temperature of water as it is heated. The period from X to Y shows ____.

    A)  Melting point  

    B)  Water gain     

    C)  Heat loss        

    D)         Boiling point

    Correct Answer: D

    Solution :

    The given graph shows that the temperature of water is not increasing with time from period 'X' to 'Y', which shows that water has attained its boiling point \[({{100}^{o}}C)\]. On reaching boiling point, the temperature of water does not increase further and water converts into vapour,


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