What happens when coal is heated in : 1). Presence of oxygen 2). Lack of oxygen 3). Absence of Oxygen .. Also write the reaction involved.
Answers
Explanation:
● Carbon dioxide and heat is generated when coal is burnt in the presence of oxygen. Coal is mainly made out carbon contains. So the combustion of a coal is actually a combustion of carbon. During this combustion process the carbon is chemically bounded with the atmospheric oxygen and forms carbon dioxide.
● The strong heating of coal in the absence of air is called destructive distillation of coal. If coal is heated in the presence of air, then coals burns to produce mainly carbon dioxide gas and no other useful products were obtained.
● When coal is heated in the absence of air it breaks up and provides a large number of organic compounds and some inorganic compounds. The process is known as the destructive distillation of coal. In this process coal tar and coal gas can obtained.
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