Mixtures Flashcards
Define “pure” substance
A single element or compound
What temperature is the melting point of water?
0⁰C
What temperature is the boiling point of water?
100⁰C
Define “formulation”
A mixture designed as a useful product
Give three examples of a formulation
Fuel, paint, alloys
Define “soluble”
Can dissolve
Define “insoluble”
Cannot dissolve
Define “solute”
A solid which can dissolve
Define “solvent”
A liquid in which a solid will dissolve
Define “solution”
A mixture of a dissolved solute and solvent
What is filtration used to separate?
An insoluble solid and a liquid
What is crystallisation used to separate?
A soluble solid and a solvent (collect solid)
What is simple distillation used to separate?
A soluble solid and a solvent (collect liquid)
What is fractional distillation used to separate?
Liquids with different boiling points
What is chromatography used to separate?
Different colours of ink or dye
