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    Combined Science GCSE

    Oxidation and reduction

    What Oxidation and reduction means in Combined Science GCSE, as defined for AQA.

    Definitions of Oxidation and reduction

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    Reference: AQA

    Oxidation is the loss of electrons and occurs at the anode, while reduction is the gain of electrons and occurs at the cathode.
    AQA · Representation of reactions at electrodes as half equations (HT only) (study guide)
    Oxidation involves the loss of electrons at the anode, while reduction involves the gain of electrons at the cathode.
    AQA · Representation of reactions at electrodes as half equations (HT only) (study guide)

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