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    Chemistry A-Level

    Filtration under reduced pressure and washing

    What Filtration under reduced pressure and washing means in Chemistry A-Level, as defined for OCR.

    Definition of Filtration under reduced pressure and washing

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    Reference: OCR

    Crystals are collected using a Büchner funnel and washed with a little cold solvent to remove soluble impurities from the crystal surface.
    OCR · Use of apparatus and techniques

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