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AMU Medical AMU Solved Paper-2000

  • question_answer
    In normal atmosphere, the amount of oxygen in air and dissolved oxygen in water respectively are

    A)                  21% and 17%                    

    B)                  95% and 15%

    C)                  32% and 7%                      

    D)                  67% and 13%

    Correct Answer: A

    Solution :

                     Dissolved oxygen is always less as compared  to free oxygen present in atmosphere. The oxygen in the atmosphere is 21% and dissolved in water is 17%.


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