Which variety of coal contains maximum amount of carbon?
Anthracite contain maximum amount of carbon.
What is coal gas? Name its constituents.
The gases product obtained by the destructive distillation of coal is called coal gas. The constituents of coal gas are hydrogen, methane and carbon monoixde.
What is the main use of coke?
It is used in the extraction of many metals.
What is the name of the process in which coal is heated in absence of air?
The process is called destructive distillation of coal.