Separation Techniques Flashcards
What is a chromatogram?
An image obtained from chromatography.
What is chromatography?
A technique to separate mixtures of liquids that are soluble in the same solvent.
What is dissolving?
The mixing of a substance (the solute) with a liquid (the solvent) to make a solution.
What is distillation?
A technique that uses evaporation and condensation to obtain a solvent from a solution.
What is filtering?
A way of separating pieces of solid that are mixed with a liquid or solution by pouring through filter paper.
What is a filtrate?
The liquid or solution that collects in the container after the mixture has passed through the filter paper.
What is filtration?
A way of separating pieces of solid that are mixed with a liquid or solution by pouring through filter paper.
What is an impure substance?
A substance that is impure if it has different substances mixed with it.
What is a pure substance?
A substance is pure if it has no other substances mixed with it.
What is an insoluble substance?
A substance that cannot dissolve in a certain solvent is insoluble in that solvent.
What is a mixture?
A mixture is made up of substances that are not chemically joined together.
What is residue?
The solid that collects in the filter paper.
What is solubility?
The solubility of a substance is the mass that dissolves in 100 g of water.
What is a saturated solution?
A solution in which no more solute can dissolve.
What is a solute?
The solid or gas that dissolves in a liquid.
