Charcoal is an amorphous form of carbon. [1 Mark]
Charcoal is classified based on availability as wood charcoal, bone charcoal, and sugar charcoal. [1 Mark]
When wood is heated in a limited supply of air, it gives a soft, black, porous substance called wood charcoal. [1 Mark]
It is a bad conductor of electricity and smokeless fuel. [1 Mark]
Then comes sugar charcoal which is the purest form of charcoal and used as a reducing agent to extract metals from their oxides and the bone charcoal is obtained by destructive distillation of bones resulting in bone charcoal. [1 Mark]