

MCQOPTIONS
Saved Bookmarks
1. |
With increase in the time of carbonisation at a particular temperature (say 1000°C), the ______________ percentage in coke oven gas increases? |
A. | Hydrogen |
B. | Methane |
C. | Unsaturated hydrocarbons |
D. | All A., B. and C. |
Answer» B. Methane | |