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Clarify the concept of sacrificial protection using the reactivity series and the process of electron loss.

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Cambridge IGCSE ChemistryMetalsSupplement content

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Clarify the concept of sacrificial protection using the reactivity series and the process of electron loss

  • This point belongs to Corrosion of metals, especially Corrosion of metals outcomes.
  • You need to be able to clarify the concept of sacrificial protection using the reactivity series and the process of electron loss.
  • The key ideas to know are Explain.
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Explain

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This objective helps connect Corrosion of metals outcomes to exam-style questions, flashcards, and revision notes for Corrosion of metals.

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Paper 4 structured question: Corrosion of metals

Paper 4Theory (Extended)1 marks

Description

Sacrificial Protection

Sacrificial protection is a method used to prevent corrosion of metals by using a more reactive metal. This metal will corrode instead of the protected metal.

  1. a

    State the purpose of sacrificial protection.

    Aim for approximately 1 distinct marking point.

    [1]
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