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 Form 1 Chemistry: Simple classification of substances online lessons

The basic concepts for Separating mixtures.

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Answer Text:
Separating mixtures.
A mixture can be separated into its various components (constituents) by appropriate physical means, depending on type of mixture.
Basic concepts:
Residue: solid that remains on the filter paper during filtration
Filtrate: liquid that passes past the filter paper during filtration
Solute: a solid that dissolves in a particular liquid
Solvent: the liquid in which a solute dissolves.
Saturated solution: a solution in which no more solute can dissolve at a particular temperature
Unsaturated solution: a solution that can take more of the solute (solute) at a particular temperature.
Miscible liquids: liquids that can mix together completely.
Immiscible liquids: liquids that cannot mix together completely.
There are various methods that can be used to separate mixtures.
These include:
 Decantation
 Evaporation
 Condensation
 Filtration
 Crystallization
 Separating funnel separation
 Distillation (simple and fractional)
 Sublimation
 Chromatography
 Solvent extraction


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