Solutions Review

When salt dissolves in water, the water is the

• solute

• solvent

• solubility

• solution

In a mixture of salt dissolved in water, the solute is

• the salt.

• the water.

• separated by filtering.

• the precipitate.

All of the following will increase dissolving rate of a solid except for

• powdering the solution.

• cooling the solution.

• heating the solution.

• stirring the solution.

Which of the following describes the carbon dioxide component of a carbonated beverage?

• solvent

• precipitate

• solution

• solute

A solution that conducts an electric current is called a(an)

• non-electrolyte.

• saturated.

• electrolyte.

• unsaturated.

Which of the following statements is false?

• Water has a high specific heat and can absorb a lot of heat energy,

• Cohesion describes water clinging to other water molecules.

• Water is a polar covalent molecule.

• The density of solid water is greater than the density of liquid water.

The structure of water makes it a good-

• catalyst.

• solvent.

• conductor.

• nutrient.

What shape does the water molecule have?

• linear

• tetrahedral

• bent

• trigonal

A solution containing the maximum amount of solute for a given amount of solvent at a specific temperature is-

• unsaturated.

• saturated.

• supersaturated.

• dilute.

A 0.2 g crystal of gypsum dissolves very slowly in 100 mL of water while stirring. What would cause it to dissolve faster?

• decrease the water temperature

• stop stirring

• lower the air pressure

• crushing the crystal