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Cambridge IGCSE Chemistry practice

What is the main advantage of using zinc in galvanizing?

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Show answerCorrosion of metals revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

Corrosion of metals

Exam-style question

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What is the main advantage of using zinc in galvanizing?.

  1. A.It is cheaper than other metals
  2. B.It prevents rusting effectively
  3. C.It is lighter than steel
  4. D.It improves electrical conductivity

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Paper 4 structured question: Corrosion of metals

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Description

Zinc in Galvanizing

Zinc serves both as a barrier and sacrificial protection for metals.

  1. a

    State the two main roles of zinc in galvanizing.

    Aim for approximately 1 distinct marking point.

    [1]