Question detail
Compare the effects of carbon monoxide and sulfur dioxide on human health.
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
Compare the effects of carbon monoxide and sulfur dioxide on human health.
Answer
Carbon monoxide is a toxic gas that reduces the blood's ability to carry oxygen, leading to symptoms such as headaches and fatigue. Sulfur dioxide can irritate the respiratory system and exacerbate conditions like asthma, potentially leading to long-term health issues.
Explanation
A strong answer should directly address the approved learning objective to compare the effects of carbon monoxide, particulates, sulfur dioxide and oxides of nitrogen. This question belongs to Properties and effects of atmospheric pollutants 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 carbon monoxide, and keeps the wording specific to AQA GCSE revision.
Common mistake
Confusing Pollutants
Students often confuse the effects of carbon monoxide with those of sulfur dioxide, thinking they have similar health impacts.
Remember that carbon monoxide is toxic because it reduces the blood's ability to carry oxygen, while sulfur dioxide can cause respiratory problems and contribute to acid rain.
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