A process of production of water gas is carried out at ________

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A process of production of water gas is carried out at ________

A. 140-200^oC

B. 200-400^oC

C. 650-750^oC

D. 900-1000^oC

The question was asked in homework.

The above asked question is from Petroleum and its Products in division Miscellaneous Materials of Engineering Material & Metallurgy

The correct answer is D. 900-1000^oC

Best explanation: Water gas is formed by allowing steam and air to flow through hot coal and coke alternatively. This is maintained at about 900-1000^oC in a steel vessel reactor. This gas is used a source of hydrogen and fuel gas, as well as an illuminating gas.