Suspension bridges use thick steel cables to support the road deck.
These cables are often sealed inside protective polymer sleeves to exclude air and moisture to prevent corrosion.
State what is meant by the term corrosion.
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.