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JEE Main & Advanced JEE Main Paper (Held On 12 May 2012)

  • question_answer
    Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes     JEE Main Online Paper (Held On 12 May 2012)

    A) more than 17 ppm          

    B)                        equal to 10 ppm

    C)                        equal to 5 ppm                 

    D)                        less than 5 ppm

    Correct Answer: B

    Solution :

                    Water sample is reported to be highly polluted if BOD value of sample is more than 17 ppm.


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