PS Ch 8 Review

1. A characteristic of acids is that they turn red litmus paper blue.

• True
• False

2. Gases usually become more soluble as the temperature of the solvent increases.

• True
• False

3. A substance that ionizes in water is a nonelectrolyte.

• True
• False

4. The ocean is a solution because it is a homogeneous mixture of salts and water.

• True
• False

Tags

NGSS.HS-ESS2-5

5. A gas dissolves in a liquid most rapidly when under low pressure.

• True
• False

6. The strength of an acid is determined by how completely it ionizes when dissolved in water.

• True
• False

7. A solid dissolves faster when it is ground because grinding decreases surface areas.

• True
• False

8. The higher the pH value, the greater the H3O+ ion concentration.

• True
• False

9. Pure water does conduct an electric current

• True
• False

10. Because grease is nonpolar, it can be dissolved in water.

• True
• False