MCQOPTIONS
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| 1. |
Carbonization of coal is the process of |
| A. | ulverizing coal in inert atmosphere |
| B. | eating wood in a limited supply of air at temperatures below 300°C |
| C. | trongly heating coal continuously for about 48 hours in the absence of air in a closed vessel |
| D. | inding the pulverized coal into briquettes |
| Answer» D. inding the pulverized coal into briquettes | |