Separation Techniques Flashcards
What is a mixture
A mixture of elements that are not chemically joined
What are two differences between mixtures and solutions
Mixtures are not chemically joined compounds are
You can change how much there is of each substance with mixtures whereas with compounds you cant
How do you find out wether a substance is pure
It will have a sharp melting point if it is pure
What is a solution
A mix of a solid with a liquid or gas
What is the solute
The item which dissolves in the solvent
What is a solvent
The item which dissolves the solute
What are the arrangements of solutions
They are random
What is a saturated solution
A solution that contains the maximum amount of mass that can dissolve
What is solubility
Teh greatest mass that can dissolve in 100 grams
What can filtration separate
Liquid from an insoluble solid
How can salt be separated from sea water
The saltwater can be left in the sun the water will evaporate off the
Salt and you will be left with solid salt
What is distillation
Where evaporation and condensation is used to separate a solute from a solvent
State whatChromatography does
It separates substances in a mixture
What makes a chromatogram
When substances in an ink rise up in chromatogram paper
What does iron react vigourosly with
Magnesium
