A useful property of silver nanoparticles when used in wound dressings is that they:
have a low surface area to volume ratio
can kill bacteria to prevent infection
make the dressing completely waterproof
turn bright blue when wet
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.
