Question detail
Which of the following is NOT a typical product of fractional distillation of crude 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. Petrol
- B. Diesel oil
- C. Water
- D. Kerosene
Answer
Water
Explanation
Water is not a product of fractional distillation of crude oil; the fractions are hydrocarbons such as petrol, diesel, and kerosene.
Common mistake
Misidentifying crude oil as a single compound
Students often think crude oil is a single, pure substance rather than a complex mixture of many hydrocarbons and other compounds.
Explain that crude oil is a heterogeneous mixture containing thousands of different molecules, mainly hydrocarbons, and that this diversity is why fractional distillation is needed to separate useful fractions.
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