Charcoal is a pure carbon residue that results from the dewatering process of plant material.
A method of preparation called destructive distillation (burning in isolation from air) is the method called by the Arabs.
The presence of plant tissues in charcoal and charcoal indicates that they are of plant origin. Charcoal is made by man by heating wood, and its black color is caused by the presence of the carbon element. As for the fact that charcoal is lighter than wood, it is because wood loses a quantity of water when it is converted into charcoal, and the percentage of pores in it increases. The water in the wood is also responsible for the thick smoke when it is burned. As for the fact that coal is heavier than charcoal, it is due to the mineral components that are found in coal and not found in charcoal.