Question

How is charcoal obtained from wood? Why is charcoal considered w better fuel than wood?

Answer 1

Charcoal is considered a better fuel than wood because it has a higher calorific value than wood. ... the main reason is that coal produce less smoke on burning then wood and also produce less residue then wood.#Charcoal is usually produced by slow pyrolysis — the heating of wood or other substances in the absence of oxygen.#Charcoal is made by burning wood in insufficient air .it is also known as coke

Answer 2

when wood is burn it left out with unburn carbon which result in formation of charcoal.
It is better then wood because
1 it burnt completely
2 less smoke is produce