CO & H2 are the constituents of___________________?
Correct answer: D. All A., B. and C.
- A. Producer gas
- B. Water gas
- C. Coke oven gas
- D. All A., B. and C.
Explanation
CO and H₂ are the defining combustible components of water gas, and both can also occur in producer gas and coke-oven gas. Thus, in the broad wording used here, all three gases contain CO and H₂.
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