Offshore wind turbines have steel (iron-containing) support platforms submerged in seawater. To prevent the structural steel from corroding, blocks of zinc are bolted directly to the submerged support columns.
Explain how the zinc blocks protect the steel support columns from 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.
