Paper 2
Purity and formulations
Simple explanation
A pure substance has a sharp melting or boiling point.
Analogy or example
Paint is a formulation because its ingredients are mixed in specific amounts.
Misconception trap
Pure means safe or natural in chemistry.
Real-world relevance
Purity and formulations links classroom reactions to materials, energy, resources and everyday products.
Vocabulary check
purity, formulations, pure, substance, sharp