Exam-style question
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Which statement gives the most precise GCSE Chemistry meaning of this idea in Sizes of particles and their properties?.
- A.1 nm to 100 nm
- B.It names a related particle or structure but does not explain the Chemistry relationship being tested.
- C.It describes a different model from Bulk and surface properties of matter including nanoparticles (chemistry only), so the answer would be off-topic.
- D.It gives only a memorised label and misses the specific meaning required by the objective.
Answer and explanation
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