What gases are produced in anaerobic sludge digesters
A. Methane and `CO_(2)` only
B. Methane, hydrogen sulphide and `CO_(2)`
C. Methane, hydrogen sulphide and `O_(2)`
D. Hydrogen sulphide and `CO_(2)`

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1 Answers

Correct Answer - B
Methane , hydrogen sulphide and `CO_(2)` are gases that are produced in anaerobic sludge digesters. These gases are produced during biogas production by the activity of bacteria called methanogens.

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