Exploring Matter and Its Properties Exam- General Chem.

What is the state of matter characterized by having a definite shape and volume?

• Gas

• Liquid

• Solid

• Plasma

Tags

DOK Level 1: Recall

Which of the following is a chemical property?

• Melting point

• Density

• Flammability

• Color

Tags

DOK Level 1: Recall

What type of mixture is a salad?

• Homogeneous

• Heterogeneous

• Colloid

• Solution

Tags

DOK Level 1: Recall

Which of the following is a chemical change?

• Melting ice

• Burning wood

• Dissolving sugar in water

• Breaking glass

Tags

DOK Level 1: Recall

Which of the following is a physical change?

• Rusting of iron

• Baking a cake

• Boiling water

• Digesting food

Tags

DOK Level 1: Recall

Classify the following as a homogeneous or heterogeneous mixture: saltwater.

Describe the phase change that occurs when a gas turns into a liquid.

• Freezing

• Condensation

• Sublimation

• Deposition

Tags

DOK Level 2: Skill/Concept

Round the number 0.007895 to three significant figures.

• 0.0079

• 0.00790

• 0.00789

• 0.007895

Tags

DOK Level 2: Skill/Concept

Explain why the rusting of iron is considered a chemical change.

• It involves a change in state.

• It produces a new substance.

• It is reversible.

• It involves a change in shape.

Tags

DOK Level 2: Skill/Concept

Identify the physical change in the following scenario: A piece of paper is torn into smaller pieces.

• The paper changes color.

• The paper burns.

• The paper changes shape.

• The paper dissolves in water.

Tags

DOK Level 2: Skill/Concept