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3rd Class Science Our Environment Question Bank Our Environment

  • question_answer
    The given figure shows a cycle of state change of water. What is X, Y and Z?            

    A)
    X Y Z
     Water    Ice     Steam
                   

    B)
    X Y Z
     Ice      Steam    Water
                   

    C)
    X Y Z
     Steam    Ice    Water
                   

    D)
    X Y Z
     Steam   Water    Ice

    Correct Answer: D

    Solution :

    Water (liquid) on heating changes into steam (vapour) which on cooling changes back to water (liquid). Water (liquid) on cooling changes to ice (solid).


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