Mixtures and Pure Substances

Question 1

Pure substance

Answer 1

Salt is a ___________ because it is very difficult to break down into it’s two parts, sodium and chlorine.

Question 2

Pure substance

Answer 2

Are very difficult to break down into their individual parts.

Question 3

Pure substance

Answer 3

They may be elements (made up of one type of atom) or compounds (made up of molecules containing at least two different types of atom).

Question 4

Mixtures

Answer 4

Are a mixture of atoms, when sugar is put in water it becomes a mixture.

Question 5

Mixture

Answer 5

The components that make a ________ have more variation than the components that make up a pure substance.

Question 6

Mixtures

Answer 6

Can be classed as homogenous mixtures or heterogenous mixtures.

Question 7

Homogenous mixtures

Answer 7

They are the type of mixtures where the particles are spread out evenly throughout the mixture.

Question 8

Heterogenous mixtures

Answer 8

They are the type of mixtures where the different particles are scattered unevenly throughout the mixture.

Question 9

Mixtures

Answer 9

This can be any combination of the three states of matter. The three main types of _______ are solutions, that contain particles that completely dissolve, suspensions, that contain larger particles and colloids, that contain small particles.

Question 10

Solutions

Answer 10

Contain particles that have completely dissolved.

Question 11

Suspensions

Answer 11

That contain larger particles.

Question 12

Colloids

Answer 12

That contain small particles.

Question 13

Salt water

Answer 13

Solution

Question 14

Sandy water

Answer 14

Suspension

Question 15

Milky water

Answer 15

Colloid