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Pure and impure substance - Coggle Diagram
Pure and impure substance
Pure
Definition
A pure substance contains only one element or compound.
Impure
Definition
An impure substance is made of two or more elements or compounds that are not bonded together chemically, it can be mixtures of elements, mixtures of compounds, or mixtures of elements and compounds.
Method of separation
Evaporation
A solute from solution
Simple distillation
Solvent from solution
Crystallisation
A solute from solution
fractional distillation
Liquids from each other
Flitration
A solid from water
Paper chromatography
Different substance from a solution
