Question

name the gas which is formed when coal is heated in the absence of air​

Answer 1

Answer:

CARBON MONOXIDE - formed by the distructive distillation (i.e, heating in the absence of air.)

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Answer 2

Answer:

Coal gas, gaseous mixture—mainly hydrogen, methane, and carbon monoxide—formed by the destructive distillation (i.e., heating in the absence of air)