Write a short note on coke.Answer the given question in brief.
Answers
Coke is a fuel with a high carbon content and few impurities, made by heating coal in the absence of air. It is the solid carbonaceous material derived from destructive distillation of low-ash, low-sulphur bituminous coal. Cokes made from coal are grey, hard, and porous. While coke can be formed naturally, the commonly used form is synthetic. The form known as petroleum coke, or pet coke, is derived from oil refinery coker units or other cracking processes.
Coke is used in preparation of producer gas which is a mixture of carbon monoxide (CO) and nitrogen (N2). Producer gas is produced by passing air over red-hot coke. Coke is also used to manufacture water gas.
Answer:
Coke is a tough , porous , and black substance. Formed by destructive distillation of coal ( heating coal in absence of oxygen ) . It is purest form of carbon . It is used to manufacture stell and extraction of many metal .