Question

The solid residue left behind after dry distillation of coal

Answer 1

coke will be right ans

Answer 2

Out of different types of fossil fuels that the earth provides us, coal is one of the most used ones.

It is a mixture that contains different elements like carbon, oxygen, nitrogen, hydrogen and sulphur.

Due to high pressure and temperature hydrogenation occurs which has been taking place over millions of years.

Through the process of destructive distillation of coal, we find coal tar, coal gas and coke.