Answer:
it burns easily and it gives energy
Explanation:
The calorific power of coals varies from 2,000 to 7,000 kcal/kg, from anthracite and coal to lignite and peat.
The dry distillation of coal produces four fractions: ammonia, tar, natural gas, and coke. The latter (hard, resistant, and porous) is used in the metallurgy of iron and steel (steel).
Lignite is used mainly in thermal power plants to obtain electrical energy from it. Peat is used as a domestic fuel.
