Question

7. How can we prepare coke?
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Answer 1

Answer:

Coking coal is converted to coke by driving off impurities to leave almost pure carbon. The physical properties of coking coal cause the coal to soften, liquefy and then resolidify into hard but porous lumps when heated in the absence of air. Coking coal must also have low sulphur and phosphorous contents.

Answer 2

coke is formed from destructive distillation of coal.it is the process of heating coal In the absence of oxygen to obtain useful products.