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    Chemistry A-Level

    Identifying ions by precipitate colour

    What Identifying ions by precipitate colour means in Chemistry A-Level, as defined for OCR.

    Definition of Identifying ions by precipitate colour

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    Aqueous sodium hydroxide gives a green precipitate with Fe²⁺ and a red-brown precipitate with Fe³⁺, which helps identify each ion.
    OCR · Transition elements

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