Unit 1, Key Words 2 - Mixing Dissolving & Separating

Question 1

Solvent

Answer 1

The liquid in which something dissolves

Question 2

Solution

Answer 2

A mixture formed when a solid dissolves in a liquid

Question 3

Soluble

Answer 3

Able to dissolve (sometimes in water)

Question 4

Solute

Answer 4

A solid that dissolves

Question 5

Filter

Answer 5

A material with microscopic holes used to remove insoluble solids from liquids

Question 6

Filtration

Answer 6

The separation of solid from a liquid using a filter funnel and filter paper

Question 7

Insoluble

Answer 7

Unable to dissolve

Question 8

Immiscible

Answer 8

Liquids that do not mix but form separate layers

Question 9

Solubility

Answer 9

The mass of solute that dissolves in a solvent at a particular temperature

Question 10

Crystallisation

Answer 10

When a solvent evaporates to leave crystals of solid

Question 11

Crystal

Answer 11

A solid having a regular structure

Question 12

Saturated

Answer 12

A solution in which no further solid will dissolve

Question 13

Salt

Answer 13

Salt, in chemistry, substance produced by the reaction of an acid with a base. A salt consists of the positive ion (cation) of a base and the negative ion (anion) of an acid.

Salt is also used to refer to sodium chloride, commonly known as table salt.

Question 14

Evaporate

Answer 14

Process by which surface particles of a liquid vaporise to become a gas

Question 15

Rock salt

Answer 15

Natural mixture of salt and insoluble minerals like clay used to ice roads in the winter

Question 16

Brine

Answer 16

Salty water

Question 17

Vapour

Answer 17

A liquid that has evaporated

Question 18

Condense

Answer 18

To turn from a gas into a liquid e.g. water vapour condensing to liquid water

Question 19

Distillation

Answer 19

The process for separating liquids by evaporating them then condensing the vapours

Question 20

Liebig condenser

Answer 20

The apparatus used for distillation

Question 21

Purify

Answer 21

To make pure or nearer to pure where only one type of element or compound is present