Sunscreens often contain titanium dioxide nanoparticles because they block harmful ultraviolet light while remaining transparent on the skin.
Suggest one potential risk to human health or the environment associated with using nanoparticles in cosmetic products.
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.
