Classification of Matter

What are the three classical states of matter?

• Solid, Liquid, Gas

• Solid, Liquid, Plasma

• Liquid, Gas, Plasma

• Solid, Gas, Plasma

Which of the following is a characteristic of gases?

• Definite shape and volume

• Definite volume but no definite shape

• No definite shape or volume

• Definite shape but no definite volume

What is a pure substance that cannot be broken down into simpler substances by chemical means?

• Compound

• Element

• Mixture

• Solution

Which of the following is an example of a homogeneous mixture?

• Vegetable soup

• Salt water

• Sand and iron filings

• Oil and water

What type of change involves the conversion of a substance from one state to another without altering its chemical composition?

• Chemical change

• Physical change

• Nuclear change

• Biological change