Which of the following gases together constitute producer gas?
A
CO
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B
CO2
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C
N2
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D
H2
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Solution
The correct options are ACO BCO2 CN2 DH2 Producer gas is obtained when air along with steam is blown over red hot coke. This combustible gas is a mixture of gases like carbon monoxide (CO), carbon dioxide (CO2), nitrogen (N2) and hydrogen (H2).