a
nitrogen
b
air
c
argon
d
methane
Explanation
Correct Option
dNo explanation available
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Dave333
4 years ago
(Lord Jesus🙏,make me remember)this,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.
