Question

Name one destrutive distillation of coal that is solid

Answer 1

Coke is one solid residue that is left after destructive distillation of coal.

Answer 2

when coal is heated in the absence of air is called destructive distillation of coal we get many useful products like :
Coke ,Coal Tar and coal gas etc. 1.coke -it's an solid Residue left after the destructive distillation of coal.
2.Cool tar-