Chemistry path · GCSE Chemistry

Does using less nanoparticle coating settle the decision?

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Practice question

A hospital is considering door handles coated with nanoparticles. Tests report that the coating uses 90% less active material than a bulk-material coating but lasts equally long. The effects of nanoparticles entering wastewater are not yet known. Evaluate whether the coating should be adopted.

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Official curriculum

4.2.4.2 Evaluating uses and risks of nanoparticles

This challenge practises knowledge and exam skills from the official GCSE science curriculum. Use these sources to see the exact subject content and its wider Key Stage 4 context.

AQA specification 4.2.4.2 Evaluating uses and risks of nanoparticles GOV.UK Key Stage 4 science programme

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