Key term for OCR GCSE Chemistry A, used in Practical Activity Groups.
A single element or compound not mixed with any other substance, characterised by a sharp, specific melting and boiling point.
Pure substance appears in OCR GCSE Chemistry A revision content for Practical skills, especially Practical Activity Groups and Production of Salts Practical.
Practical skills
Production of Salts Practical
Practical skills
Separation Techniques Practical
Elements, compounds and mixtures
Formulations and Mixtures
Elements, compounds and mixtures
Melting Point Analysis
Practical skills
Practical Activity Groups • Production of Salts Practical
Practical skills
Practical Activity Groups • Separation Techniques Practical
Elements, compounds and mixtures
Purity and separating mixtures • Formulations and Mixtures
Elements, compounds and mixtures
Purity and separating mixtures • Melting Point Analysis
Elements, compounds and mixtures
Purity and separating mixtures • Chromatography Applications
Elements, compounds and mixtures
Purity and separating mixtures • Selecting Purification Methods
Elements, compounds and mixtures
Purity and separating mixtures • Interpreting Chromatograms
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