C1 - Mixtures

Cards (11)

What is a Mixture? How are they separated?
A mixture consists of two or more elements or compounds that are not chemically combined together
They are separated using physical processes
What is Filtration?
The process of separating an insoluble solid from a liquid
What equipment is used in Filtration?
Filter funnel
Filter paper
Conical flask
What is Paper chromatography?
The process of separating different substances from a mixture in solution
What equipment is used for Paper chromatography?
Chromatography paper
Solvent
Why do we draw the line in pencil, not pen? (Paper chromatography)
If we draw the line in pen, the pen ink could dissolve in the solvent and move up the paper
What is Simple distillation?
The process of separating a solvent from a solution
What equipment is used for simple distillation?
Condenser
Beaker
Round-bottom flask
Thermometer
Heating source (Bunsen burner)
What is fractional distillation?
The process of separating two liquids with similar boiling points
What equipment is used for fractional distillation?
Fractionating column
Condenser
Thermometer
Round-bottom flask
Heating source (Bunsen burner)
What is Crystallisation?
The process of separating a soluble solid from a liquid