Question detail
During fractional distillation of crude oil, which fraction is most likely to contain diesel oil?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Carbon compounds as fuels and feedstock
Question
- A. The lightest fraction containing methane
- B. The middle fraction containing hydrocarbons with 4–12 carbon atoms
- C. The heaviest fraction containing long-chain hydrocarbons
- D. The fraction containing only gases
Answer
The middle fraction containing hydrocarbons with 4–12 carbon atoms
Explanation
Diesel oil is obtained from the middle fractions of crude oil, which contain hydrocarbons with about 4–12 carbon atoms.
Common mistake
Common Fuels Confusion
Students often confuse the names of fuels produced from crude oil, such as mixing up petrol and kerosene.
To fix this, create flashcards with the names and properties of each fuel, and practice recalling them regularly.
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