Activate 2 - Chapter C2.2 - Separation Techiques Flashcards
Mixture
A mixture is made up of substances that are not chemically joined together.
Pure
A substance is pure if it has no other substances to mix with it.
Impure
A substance is impure if it has different substances mixed with it
Solution
A mixture of a liquid with a solid or a gas. All parts of the mixture are the same.
Dissolve
The mixing of a substance (the solute) with a liquid (the solvent) to make a solution.
Solvent
The liquid in which a solid or gas dissolves.
Solute
The solid or gas that dissolves in a liquid.
Saturated Solution
A solution in which no more solute can dissolve.
Solubility
The solubility of a substance is the mass that dissolves in 100g of water.
Soluble
A substance that can dissolve in a certain solvent which is soluble in that substance.
Insoluble
A substance that cannot dissolve in a certain solvent is insoluble in that solvent.
Filtration & Filtering
A way of separation of solid that are mixed with a liquid or solution by pouring through filter paper.
Residue
The solid that collects in the filter paper.
Filtrate
The liquid or solution that collects in the container after the mixture has passed through the filter paper.
Distillation
A technique that uses evaporation and condensation to obtain a solvent from a solution.
