A. Angle of repose of coal increases with its increasing size
B. Specific gravity of coal increases with its increasing maturity
C. Refractive index and reflectance of coal increases with the increasing rank of coal
D. Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H
ratio of coal
Correct Answer: D. Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H
ratio of coal ✔
Last Updated: March 08, 2019