Percentage of hydrogen in coke oven gas may be around ___________________?
Correct answer: D. 60
- A. 10
- B. 25
- C. 45
- D. 60
Explanation
Hydrogen commonly forms about 50 to 60% of coke-oven gas, so 60% is the nearest value. The gas also contains methane, carbon monoxide and smaller amounts of carbon dioxide and nitrogen.
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