In natural gas, the C/H ratio (by weight) varies in the range of_________________?
Correct answer: C. 3-4
- A. 15-17
- B. 8-10
- C. 3-4
- D. 20-25
Explanation
Natural gas consists mainly of methane, with smaller amounts of ethane and other hydrocarbons. Since methane has a C/H mass ratio of 12/4 = 3 and heavier hydrocarbons raise it slightly, the usual range is about 3–4.
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