9th Class Science Matter in Our Surroundings Question Bank Matter in our Surroundings

  • question_answer
    Under what conditions, can a gas be cooled and converted into liquid?

    A)  At its critical temperature by decreasing pressure on it

    B)  Above its critical temperature by increasing pressure on it

    C)  Above its critical temperature by decreasing pressure on it

    D)  Below its critical temperature by increasing pressure on it  

    Correct Answer: D

    Solution :

     A gas can be liquefied by applying pressure when it is below the critical temperature.


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