Key term for OCR GCSE Chemistry B, used in Production of salts.
A reactant present in an amount greater than is required to react completely with other reactants.
excess appears in OCR GCSE Chemistry B revision content for Practical skills, especially Production of salts and Apparatus and techniques.
Create a free account to access OCR GCSE Chemistry B revision notes, track progress, and practise related key terms.
Chemical analysis
Composition analysis • Tests for cations and anions
