The rate of corrosion of iron and its alloys can be significantly affected by environmental factors such as salinity.
Describe a simple laboratory experiment to compare how much a mild steel bolt corrodes in a 3% sodium chloride (salt) solution compared to pure deionised water.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 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.
