Hydrogen content of coke oven gas is ______________ percent?
Correct answer: C. 58
- A. 4
- B. 22
- C. 58
- D. 84
Explanation
Coke-oven gas typically contains about 50 to 60% hydrogen, with methane, carbon monoxide and other gases making up most of the remainder. Therefore, 58% is the suitable value.
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