Solutions and Solubility Review

What is a mixture?

• A substance that combines chemically and cannot be separated.

• A combination of two or more substances that do not combine chemically and can be separated by physical means.

• A natural compound found in the earth's crust.

• A chemical reaction between two substances that creates a new compound.

What does "Hetero" mean in the term Heterogeneous Mixture?

• Same

• Different

• Pure

• Mixed

What phases can be present in a heterogeneous mixture?

• Only solid

• Only liquid

• Only gas

• Solid, liquid, and gas

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

• Saltwater

• Air

• Trail mix

• Vinegar

What does "Homo" mean in the context of homogeneous mixtures?

• Different

• Same

• Multiple

• Varied

Homogeneous mixtures are commonly referred to as what?

• Elements

• Compounds

• Solutions

• Mixtures

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

• Sand and water

• Salt water

• Oil and water

• Soil

What is a solution?

• A. A single substance that cannot be separated

• B. A mixture of two or more substances that is identical throughout (homogeneous)

• C. A solid object composed of different materials

• D. A gas composed of various elements

What are the two components that make up a solution?

• A. Solids and liquids

• B. Solutes and solvents

• C. Gases and solids

• D. Liquids and gases

What is the role of a solvent in a solution?

• A. It dissolves the solute

• B. It solidifies the solution

• C. It decreases the concentration of the solution

• D. It acts as a catalyst in a chemical reaction