Q
Carbonation of coal is the process of________________________?
-
A
A. Pulverising coal in inert atmosphere
-
B
B. Heating wood in a limited supply of air at temperatures below 300Β°c
-
C
C. Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel
-
D
D. Binding the pulverised coal into brick-ettes
Correct Answer:
C. C. Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel
