Gas is a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or ______.

• Liquid

• Plasma

• Density

• Volume

What is a highly ionized gas containing an approximately equal number of positive ions and electrons?

• Solid

• Liquid

• Gas

• Plasma

Pressure is defined as force per unit ______.

• Mass

• Volume

• Area

• Temperature

Mass is usually measured in grams or ______.

• Kilograms

• Liters

• Meters

• Celsius

What is dissolved in a solution, e.g., the salt in saltwater?

• Solvent

• Solute

• Mixture

• Solution

The liquid in which something is dissolved, e.g., the water in saltwater, is called a ______.

• A) Solute

• B) Solvent

• C) Mixture

• D) Solution

Surface area refers to the outside part or uppermost layer of something. True or False?

• True

• False

Agitation is the action of briskly stirring or disturbing something, especially a ______.

• Solid

• Liquid

• Gas

• Plasma

To dissolve means to become incorporated into a liquid so as to form a ______.

• Mixture

• Solution

• Solvent

• Solute

A solubility curve is a graphic representation of the variation with changing temperature of the solubility of a given substance in a given ______.

• Solvent

• Solute

• Solution

• Mixture