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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Redox

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Redox

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Paper 4Theory (Extended)1 marks

Consider the reaction between zinc and copper(II) sulfate.

Description

Zinc and Copper(II) Sulfate Reaction

Zinc displaces copper from copper(II) sulfate solution, forming zinc sulfate and copper metal.

  1. a

    State the oxidising agent in this reaction.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Redox

Paper 4Theory (Extended)2 marks

Description

Iron and Chlorine Reaction

Iron reacts with chlorine gas to form iron(III) chloride.

  1. a

    Identify the reducing agent in this reaction.

    Aim for approximately 2 distinct marking points.

    [2]