Question

what are the products formed when coal is heated in air
class 8
chapter 5
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Answer 1

Coal gas, gaseous mixture—mainly hydrogen, methane, and carbon monoxide—formed by the destructive distillation (i.e., heating in the absence of air) of bituminous coal and used as a fuel. Sometimes steam is added to react with the hot coke, thus increasing the yield of gas. Coal tar and coke (qq.

Answer 2

Answer:

nitrogen,silphurdioxide,carbondioxide,oxides and heavy chemicals