Nanoparticles are increasingly used in consumer products such as sunscreens, cosmetics, and aerosol sprays. Some scientists are concerned about their potential health risks if they pass through biological barriers.
Suggest one route by which nanoparticles can enter the human body.
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.
