Key term for OCR GCSE Chemistry A, used in Identifying the products of chemical reactions.
A chemical added in a quantity greater than necessary to react with all of the other reactant, often used to see if a precipitate will re-dissolve.
Excess reagent appears in OCR GCSE Chemistry A revision content for Predicting and identifying reactions and products, especially Identifying the products of chemical reactions and Identifying Unknowns.
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