Q. Main constituents of biogas are (Solved)
1. Methane and carbon monoxide
2. Butane and carbon monoxide
3. Methane and carbon dioxide
4. Ethylene and carbon dioxide
- c. Methane and carbon dioxide
1. Methane and carbon monoxide
2. Butane and carbon monoxide
3. Methane and carbon dioxide
4. Ethylene and carbon dioxide