

InterviewSolution
Saved Bookmarks
1. |
What gases are produced in anaerobic sludge digestresA. Methane and `CO_(2)` onlyB. Methane, Hydrogen Sulphide and `CO_(2)`C. Methane, Hydrogen Sulphide and `O_(2)`D. Hydrogen Sulphide and `CO_(2)` |
Answer» Correct Answer - B | |