Chapter 22 8th Grade Science solutions Putman

In a solution, the substance that is being dissolved is the ____.

• solute

• solvent

• liquid

• gas

The oceans are an example of a(n) ____ solution.

• solid

• liquid

• gaseous

• alloy

A solution that contains all of the solute it can hold at a given temperature is ____.

• supersaturated

• diluted

• saturated

• unsaturated

The process by which the positive and negative ions of a crystalline solid separate in water is called ____.

• solution

• ionization

• saturation

• dissociation

Increasing the surface area of a solid ____.

• speeds the rate of solution

• has no effect on the rate of solution

• slows the rate of solution

• causes the solid to ionize

When a gas is dissolved in a liquid, the gas dissolves faster if the liquid is ____.

• under low pressure

• cooled

• an electrolyte

• heated

The concentration of solution that contains a large amount of solute in the solvent could be described as ____.

• unsaturated

• diluted

• concentrated

• polar

An alloy is an example of a ____ solution.

• dilute

• liquid

• gaseous

• solid

Adding more solute to a solvent ____.

• increases its boiling point

• increases its freezing point

• does not affect its boiling point

• decreases its boiling point

A molecule that is positively charged on one end and negatively charged on the other end is ____.

• polar

• radioactive

• nonpolar

• a hydrocarbon