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    Chemistry GCSE

    Strong Acid

    What Strong Acid means in Chemistry GCSE, as defined for OCR, Pearson Edexcel.

    Definitions of Strong Acid

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    An acid that is completely ionised in aqueous solution (e.g., hydrochloric, nitric, sulfuric acid).
    OCR · Topic C3: Chemical reactions (study guide)
    An acid that completely dissociates into its ions in aqueous solution.
    Pearson Edexcel · Chemical changes (study guide)

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    Using Strong Acid in the exam

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