Mixtures and Pure Substances Quiz

What are mixtures?

• Substances that cannot be separated into their components

• Pure substances that do not contain any other materials

• Combinations of substances that can sometimes be separated into their components

• Elements found only in a laboratory setting

What do we call substances that are not mixtures?

• Compounds

• Elements

• Pure

• Solutions

Which of the following is an example of a pure substance?

• Sea water

• Milk

• Vitamin C

• Concrete

Tags

NGSS.MS-PS1-4

Why can it be difficult to recognize a pure substance?

• Because they are always liquids

• Because they have a non-uniform appearance

• Because they have a uniform appearance

• Because they are always gases

What is a mixture?

• A substance that cannot be physically separated.

• A combination of two or more substances that can be physically separated.

• A substance that contains only one type of particle.

• A term used to describe a chemical reaction.

What is a pure substance?

• A combination of different types of particles.

• A substance that can be physically separated into simpler substances.

• A substance that contains only one type of thing.

• Parts of a mixture.

What are components in the context of mixtures?

• A pure substance that cannot be separated.

• The chemical reactions that occur within a mixture.

• The individual substances that are mixed together.

• The process of combining substances.

Based on the diagram, what type of substance is represented in item 8?

• Mixture

• Pure Substance

• Compound

• Element

Tags

NGSS.MS-PS1-1

Based on the diagram, what type of substance is represented in item 9?

• Mixture

• Pure Substance

• Solution

• Heterogeneous mixture

Based on the diagram, what type of substance is represented in item 10?

• Mixture

• Pure Substance

• Solvent

• Solute