Question detail
Which of the following is NOT a typical product obtained from the fractions of crude oil after fractional distillation?
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. Petrol
- B. Lubricants
- C. Polymers
- D. Heavy fuel oil
Answer
Polymers
Explanation
Polymers are usually produced later from petrochemical feedstock, not directly from crude oil fractions; petrol, lubricants and heavy fuel oil are direct fractions.
Common mistake
Misunderstanding Fractional Distillation
Students often think that fractional distillation separates crude oil into pure substances rather than fractions containing mixtures of hydrocarbons.
Clarify that fractional distillation separates crude oil into fractions, each containing a mixture of hydrocarbons with similar boiling points.
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