Question detail
Why are oxides of nitrogen considered pollutants?
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. They are produced by complete combustion
- B. They can lead to respiratory problems
- C. They are harmless to the environment
- D. They are only found in diesel engines
Answer
The correct option is They can lead to respiratory problems. This answer is correct because it matches the approved learning objective to explain that oxides of nitrogen can contribute to photochemical smog in the subtopic Properties and effects of atmospheric pollutants.
Explanation
The correct option is They can lead to respiratory problems. They can lead to respiratory problems is correct because it directly supports the approved learning objective to explain that oxides of nitrogen can contribute to photochemical smog. This belongs to the subtopic Properties and effects of atmospheric pollutants 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 Properties and effects of atmospheric pollutants.
Common mistake
Misunderstanding Nitrogen Oxides
Students often confuse oxides of nitrogen with other pollutants and do not recognize their specific role in contributing to photochemical smog.
Focus on the unique properties and reactions of oxides of nitrogen, particularly how they react with sunlight and volatile organic compounds to form smog.
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