Solutions

Question 1

Endothermic

Answer 1

Takes in heat from the surrounding environment

Question 2

Exothermic

Answer 2

Gives out heat to the surrounding environment

Question 3

Substance

Answer 3

Any material (in any state) that has a definite chemical reaction

Question 4

Soluble

Answer 4

A material able to disolve in a solvent

Question 5

Insoluble

Answer 5

A material unable to dissolve in a solvent

Question 6

Solute

Answer 6

The minor component in a solution, which dissolves in a solvent (e.g. salt)

Question 7

Solvent

Answer 7

A substance able to dissolve other substances (e.g. water)

Question 8

Solution

Answer 8

A liquid mixture in which the solute is distributed within the solvent

Question 9

Filtration

Answer 9

The process of removing insoluble solids from a liquid using filter paper (e.g. sand and water)

Question 10

Distillation

Answer 10

A process involving the conversion of a liquid into vapour that is then subsequently condensed back to liquid form, without its insoluble substance (e.g. ink and water)

Question 11

Chromatography

Answer 11

A technique for seperating the components, or solutes of a mixture (e.g. differently coloured liquids)

Question 12

Simple distillation

Answer 12

The method used to separate substances in mixtures with significantly different boiling points

Question 13

Fraction distillation

Answer 13

A techinque used for seperating mixtures containing chemicals with boiling points close to each other.