Which of the following gases is produced
when charcoal powder is heated in
insufficient supply of air?
a. co
b. o2
c. CO2
d. H2O (vapour)
Answers
Answered by
1
Answer:
A
Explanation:
Coal gas was produced when coal was heated in the absence of air. Its main components are hydrogen methane, and carbon monoxide. Carbon monoxide sometimes occurs in coal mines. At one time canaries were taken down in mines to detect poisonous gases.
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