Question detail
Why are nanoparticles considered effective catalysts?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Bulk and surface properties of matter including nanoparticles (chemistry only)
Question
- A. They have a high surface area to volume ratio.
- B. They are larger than bulk materials.
- C. They are made of pure metals.
- D. They have low reactivity.
Answer
The correct option is They have a high surface area to volume ratio.. This answer is correct because it matches the approved learning objective to (chemistry only) Describe that nanoparticles can be used as catalysts in the subtopic Uses of nanoparticles.
Explanation
The correct option is They have a high surface area to volume ratio.. They have a high surface area to volume ratio. is correct because it directly supports the approved learning objective to (chemistry only) Describe that nanoparticles can be used as catalysts. This belongs to the subtopic Uses of nanoparticles within Bulk and surface properties of matter including nanoparticles (chemistry only), 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 Uses of nanoparticles.
Common mistake
Misunderstanding Nanoparticle Function
Students often think that nanoparticles are only used for their size and do not understand their catalytic properties.
Emphasize that nanoparticles can provide a larger surface area for reactions, enhancing their effectiveness as catalysts.
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