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    Chemistry GCSE

    Ions in aqueous solution

    What Ions in aqueous solution means in Chemistry GCSE, as defined for AQA.

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    Reference: AQA

    When an acid dissolves in water, it ionises to release hydrogen ions, H⁺, and the subscript (aq) shows that the ions are dissolved in water.
    AQA · The pH scale and neutralisation (study guide)
    Aqueous solutions of alkalis contain hydroxide ions, OH⁻, and the term aqueous or the symbol (aq) shows that the ions are in solution.
    AQA · The pH scale and neutralisation (study guide)

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