What gases are produced in anaerobic sludge digesters?
What gases are produced in anaerobic sludge digesters?
- [NEET 2014]
- 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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