Coal gas is a mixture of__________
A. hydrogen, methane and carbon monoxide
B. methane, chlorine and hydrogen sulphide
C. methane, nitrogen and sulphur dioxide
D. methane, oxygen and carbon dioxide
Answer:A
Coal gas is a mixture of__________
A. hydrogen, methane and carbon monoxide B. methane, chlorine and hydrogen sulphide C. methane, nitrogen and sulphur dioxide D. methane, oxygen and carbon dioxide