Marine vessels often have blocks of magnesium attached to their steel hulls. Explain how these magnesium blocks protect the steel hull from corroding, even when the steel is in direct contact with seawater.
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.
