Chapter 1

Question 1

Classification of Matter:
Air

Answer 1

Homogenous mixture

Question 2

Classification of Matter:
Bar of gold

Answer 2

Element (pure substance)

Question 3

Classification of Matter:
Dry Ice

Answer 3

Compound (Pure substance)

Question 4

Classification of Matter:
Orange juice with pulp

Answer 4

Heterogenous mixture

Question 5

Classification of Matter:
Oxygen gas

Answer 5

Element (Pure substance)

Question 6

Name the different phase changes and what they are

Answer 6

Vaporization- Liquid -> Gas
Condensation- Gas -> Liquid
Melting- Solid -> Liquid
Freezing- Liquid -> Solid
Sublimation- Solid -> Gas
Deposition- Gas -> Solid