Question detail
What is produced when sulfur impurities in fuels burn?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Common atmospheric pollutants and their sources
Question
- A. Carbon monoxide
- B. Sulfur dioxide
- C. Nitrogen oxides
- D. Soot
Answer
The correct option is Sulfur dioxide. This answer is correct because it matches the approved learning objective to explain that sulfur dioxide is produced when sulfur impurities in fuels burn in the subtopic Atmospheric pollutants from fuels.
Explanation
The correct option is Sulfur dioxide. Sulfur dioxide is correct because it directly supports the approved learning objective to explain that sulfur dioxide is produced when sulfur impurities in fuels burn. This belongs to the subtopic Atmospheric pollutants from fuels within Common atmospheric pollutants and their sources, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Atmospheric pollutants from fuels.
Common mistake
Misunderstanding Sulfur Dioxide Production
Students often confuse sulfur dioxide production with carbon dioxide production, thinking both are from complete combustion.
Remember that sulfur dioxide is specifically produced from the burning of sulfur impurities in fuels, while carbon dioxide is a product of complete combustion of hydrocarbons.
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