Y9 topic 1

Question 1

Solution

Answer 1

A solution is made when a substance (solute) dissolved into a liquid

Question 2

Solvent

Answer 2

any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution.

Question 3

Solute

Answer 3

A substance that is dissolved in a solution

Question 4

Balanced equation

Answer 4

A balanced symbol equation has the same number of atoms of each element on both sides of the arrow.

Question 5

Reactant

Answer 5

The substances that are involved in a chemical reaction and that are changed by it

Question 6

Product

Answer 6

The chemical substances which are formed due to a chemical reaction between two or more chemical substances

Question 7

Miscible

Answer 7

Liquids that can mix together. Alcohol and water

Question 8

Imiscible

Answer 8

Liquids that can not mix together. Oil and water

Question 9

Evaporation

Answer 9

When a liquid gains energy and becomes a gas, can happen at any temperature

Question 10

Condensation

Answer 10

When a gas looses energy (gets colder) and becomes a liquid.

Question 11

Distillation

Answer 11

A separation method that is the process of evaporation followed by condensation

Question 12

Distillate

Answer 12

The pure liquid obtained after distillation

Question 13

Boiling point

Answer 13

A temperature at which the molecules are evaporating at the fast rate (liquid=gas)