Nanoparticles are increasingly used in modern sunscreens to block harmful UV radiation while remaining invisible on the skin. However, some scientists are concerned about their long-term safety.
Give one possible risk to human health or the environment of using nanoparticles in this way.
Practise Edexcel GCSE Chemistry Bulk and surface properties of matter including nanoparticles with exam-style questions for Foundation and Higher tier. 63 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
