Activate 2 - Chapter C2.2 - Separation Techiques Flashcards Preview

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Flashcards in Activate 2 - Chapter C2.2 - Separation Techiques Deck (17)
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1
Q

Mixture

A

A mixture is made up of substances that are not chemically joined together.

2
Q

Pure

A

A substance is pure if it has no other substances to mix with it.

3
Q

Impure

A

A substance is impure if it has different substances mixed with it

4
Q

Solution

A

A mixture of a liquid with a solid or a gas. All parts of the mixture are the same.

5
Q

Dissolve

A

The mixing of a substance (the solute) with a liquid (the solvent) to make a solution.

6
Q

Solvent

A

The liquid in which a solid or gas dissolves.

7
Q

Solute

A

The solid or gas that dissolves in a liquid.

8
Q

Saturated Solution

A

A solution in which no more solute can dissolve.

9
Q

Solubility

A

The solubility of a substance is the mass that dissolves in 100g of water.

10
Q

Soluble

A

A substance that can dissolve in a certain solvent which is soluble in that substance.

11
Q

Insoluble

A

A substance that cannot dissolve in a certain solvent is insoluble in that solvent.

12
Q

Filtration & Filtering

A

A way of separation of solid that are mixed with a liquid or solution by pouring through filter paper.

13
Q

Residue

A

The solid that collects in the filter paper.

14
Q

Filtrate

A

The liquid or solution that collects in the container after the mixture has passed through the filter paper.

15
Q

Distillation

A

A technique that uses evaporation and condensation to obtain a solvent from a solution.

16
Q

Chromatography

A

A technique to separate mixtures of liquids that are soluble in the same solvent.

17
Q

Chromatogram

A

An image obtained from chromatography.