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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

Redox reactions are fundamental in chemistry, involving the transfer of electrons between substances.

Description

Understanding Redox Reactions

In a redox reaction, one substance is oxidised while another is reduced. The oxidising agent is the substance that causes oxidation in another substance.

  1. a

    State the definition of an oxidising agent.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Redox

Paper 4Theory (Extended)3 marks

Description

Applications of Oxidising Agents

Oxidising agents play a crucial role in many industrial processes, such as bleaching and water treatment.

  1. a

    Explain the importance of oxidising agents in industrial processes.

    Aim for approximately 3 distinct marking points.

    [3]