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6.1 Transition metals, alloys and corrosion

6.1 Transition metals, alloys and corrosion

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Question 71

Underground steel gas pipelines are often protected from corrosion by connecting them to buried blocks of magnesium.

Explain how the magnesium blocks prevent the steel (iron) pipeline from rusting.

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Markscheme

6.1 Transition metals, alloys and corrosion Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Transition metals, alloys and corrosion

97 exam-style questions on Edexcel GCSE Chemistry 6.1 Transition metals, alloys and corrosion, covering 6.1.1 Properties of transition metals, 6.1.2 Corrosion and its prevention, and 6.1.3 Alloys and the uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.

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