Question

how is charcoal different from coal ?how is it prepared ?state two criteria for considering charcoal a latter fuelthan wood for domestic purposes

Answer 1

Charcoal is the grey porous substance formed when wood is burnt in a limited supply of air. Charcoal is a better fuel than wood because

1) It has higher calorific value than wood

2) Its ignition temperature is low

3) It is less polluting