States of Matter & Mixtures

Question 1

What are the key properties of solids?

Answer 1

Fixed shape and volume

Solids maintain a definite shape and do not conform to the shape of their container.

Question 2

What are the key properties of liquids?

Answer 2

Fixed volume, no fixed shape

Liquids take the shape of their container while maintaining a constant volume.

Question 3

What are the key properties of gases?

Answer 3

No fixed shape or volume

Gases expand to fill their container and do not have a defined shape or volume.

Question 4

What is a mixture?

Answer 4

Two or more substances physically combined but not chemically bonded

Mixtures can be separated by physical means.

Question 5

What are two methods for separating mixtures?

Answer 5

• Filtration
• Distillation

Filtration separates solids from liquids, while distillation separates substances based on their boiling points.

Question 6

What is chromatography used for?

Answer 6

To separate and identify substances in a mixture

Chromatography is a technique often used in chemistry to analyze complex mixtures.