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    Chemistry GCSE

    Activation

    What Activation means in Chemistry GCSE, as defined for AQA.

    Definition of Activation

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    Read the wording for your board, then hide it and explain Activation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Removing a seal, pulling a tab or pressing a button so that reactants mix or air enters.
    AQA · Energy transfer during exothermic and endothermic reactions (study guide)

    Topics that use Activation

    Related terms

    Using Activation in the exam

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