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Transition metals, alloys and corrosion

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Question 14

A marine engineering company is selecting materials for two distinct applications in an offshore platform:

  1. A solid catalyst to accelerate the industrial hydrogenation of organic compounds at high temperatures.
  2. A sacrificial anode to protect a steel structural support (primarily composed of iron) submerged in seawater from corrosion.

Which of the following pairs correctly identifies a suitable metal for each application?

Catalyst: Nickel\text{Nickel}Nickel; Sacrificial anode: Zinc\text{Zinc}Zinc

Catalyst: Zinc\text{Zinc}Zinc; Sacrificial anode: Copper\text{Copper}Copper

Catalyst: Sodium\text{Sodium}Sodium; Sacrificial anode: Magnesium\text{Magnesium}Magnesium

Catalyst: Nickel\text{Nickel}Nickel; Sacrificial anode: Copper\text{Copper}Copper

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