Aqueous Solutions Quiz

What is an aqueous solution?

• A mixture where water is the solvent

• A mixture where oil is the solvent

• A mixture of two solids

• A mixture of two gases

In an aqueous solution, what is the solvent?

• The dissolved substance

• Water

• The resulting mixture

• The solid material

Which term describes the substance that dissolves in a solution?

• Solvent

• Solution

• Solute

• Suspension

How does increasing temperature typically affect the rate of dissolution?

• Has no effect

• Decreases the rate

• Increases the rate

• Stops the process completely

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the concentration when more solvent is added to a solution?

• It increases

• It stays the same

• It decreases

• It becomes zero

Which factor does NOT affect the rate of dissolution?

• Temperature

• Surface area

• Color of the solution

• Agitation

What is dilution?

• Removing solute from a solution

• Adding more solvent to decrease concentration

• Adding more solute to increase concentration

• Heating a solution

How does crushing a solid solute affect its dissolution rate?

• Decreases the rate by reducing surface area

• Has no effect on dissolution

• Increases the rate by increasing surface area

• Makes dissolution impossible

What is the best way to dissolve sugar quickly in iced tea?

• Let it sit undisturbed

• Stir it vigorously

• Decrease the temperature

• Remove the ice

Which describes a concentrated solution?

• Has very little solute

• Has a large amount of solvent

• Has a large amount of solute compared to solvent

• Has equal parts of solute and solvent