NEET NEET SOLVED PAPER 2014

  • question_answer
    What gases are produced in anaerobic sludge digesters? [AIPMT 2014]

    A)  Methane and \[C{{O}_{2}}\] only

    B)  Methane, hydrogen sulphide and \[C{{O}_{2}}\]

    C)  Methane, hydrogen sulphide and \[{{O}_{2}}\]

    D)  Hydrogen sulphide and \[C{{O}_{2}}\]

    Correct Answer: A

    Solution :

    Anaerobic digestion is a bacterial process that break down organic material within the waste in the absence of oxygen. Municipal sewage treatment facilities also use sludge digesters. In anaerobic sludge digesters, bacteria produce a vital mixture of gases like methane, hydrogen, sulphide and carbon dioxide. Generally, equation for anaerobic sludge digestion is Organic matter + combined oxygen ® Anaerobic microbes + New cell + Energy + \[dC{{H}_{4}}+C{{O}_{2}}+\] Other gases


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