Question detail
When petrol is burned in an engine, which of the following pollutants is most likely to be produced due to incomplete combustion?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Common atmospheric pollutants and their sources
Question
When petrol is burned in an engine, which of the following pollutants is most likely to be produced due to incomplete combustion?
Answer
Carbon monoxide is the pollutant most likely produced due to incomplete combustion of petrol.
Explanation
A strong answer should directly address the approved learning objective to interpret information about fuel combustion to identify likely pollutants. This question belongs to Atmospheric pollutants from fuels within Common atmospheric pollutants and their sources, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to pollutant, and keeps the wording specific to AQA GCSE revision.
Common mistake
Misidentifying Pollutants
Students often confuse carbon dioxide with pollutants like carbon monoxide and sulfur dioxide, thinking they are all the same.
Remember that carbon dioxide is a greenhouse gas, while carbon monoxide and sulfur dioxide are specific pollutants resulting from incomplete combustion and fuel impurities.
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