Producer gas is used as a fuel and a source of nitrogen. This gas obtained by –
A. by spraying oil on the heated retort
B. When a mixture of water and air is passed over a hot coke
C. blowing air over a spread of incandescent coke
D. passing steam over an incandescent coke
Answer:D
Producer gas is used as a fuel and a source of nitrogen. This gas obtained by –
A. by spraying oil on the heated retort B. When a mixture of water and air is passed over a hot coke C. blowing air over a spread of incandescent coke D. passing steam over an incandescent coke