Which of the following are obtained by destructive distillation of coal?
Coal gas
The process of heating coal in absence of air is called destructive distillation of coal. This leads to the formation of coke, coal tar, coal gas, and ammoniacal solution.
Lamp black is the amorphous form of carbon which is prepared by heating carbon-rich substances like turpentine oil or kerosene oil in a limited supply of air.