SSC Sample Paper SSC (Group-C) Sample Test Paper-8

  • question_answer
    When lake starts freezing, the formation of the ice will start first at the

    A)  bottom                       

    B)  middle

    C)  top                 

    D)       None of these 

    Correct Answer: C

    Solution :

     The reason why ice forms on the top of lakes and ponds is that once water cools below 39 degrees Fahrenheit, it becomes lighter and less dense the more it cools. This means that water expands as it freezes into ice. As a result, ice takes up more room than the water it was made from.


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