Some daily face creams contain nanoparticles of zinc oxide to protect skin from ultraviolet (UV) radiation.
Explain why nanoparticles of zinc oxide are preferred in these creams instead of normal (bulk) zinc oxide.
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.
