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Transition metals, alloys and corrosion

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Question 1

An engineering firm is designing components for a luxury marine yacht. They need to choose materials for five specific components:

  1. Decorative fittings: Wear-resistant interior fittings (such as door handles and marine locks) that must resist corrosion.
  2. Heavy-duty cutting tools: Structural rig components requiring extreme hardness and strength.
  3. Electrical contacts: High-quality electrical contacts and wiring for the onboard control systems.
  4. Structural hull plating: Corrosion-resistant plating for the hull and superstructure that must remain highly lightweight.
  5. Decorative emblems: Intricately designed luxury jewellery and emblems that must resist tarnishing while retaining mechanical durability.

The engineers are considering the following five materials:

  • Brass
  • High-carbon steel
  • Pure copper
  • Aluminium alloys
  • 18-carat gold

Assign each of these five materials to its most suitable application. For each material, explain how its physical/chemical properties and metallic structure (including whether it is a pure metal or an alloy) make it uniquely suited to that role.

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Transition metals, alloys and corrosion Questions

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

Question bank