Key term for Edexcel GCSE Chemistry, used in Separating and Purifying Substances.
Small, insoluble, porous stones added to liquids before heating to promote smooth boiling and prevent violent splashing.
Anti-bumping granules appears in Edexcel GCSE Chemistry revision content for States of Matter and Mixtures, especially Separating and Purifying Substances and Core Practical: Composition of Inks.
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