Solutions

An unsaturated solution is one that....

• contains the maximum amount of dissolved solute.
• contains less solute than a saturated solution.
• contains more solute than a saturated solution.
• is the amount of a substance required to form a saturated solution.

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

Three 10 g samples of sugar are represented below.

Sample A dissolves in water more slowly than sample B.

Sample B dissolves more slowly than sample C.

Which of the following best explains why sample A dissolves more slowly than the other two?

• It has the most volume.

• It has the smallest surface area.

• It has the largest number of sugar molecules.

• It has the fewest bonds between sugar modules.

Which substance is INSOLUBLE in water?

• salt (sodium chloride)
• sugar (sucrose)
• oil
• copper sulfate

The substance being dissolved in a solution is called the -

• solute

• solvent

• variable

• not here

In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

• stir the powder in the liquid
• freeze the mixture
• add more powder to the liquid
• store the mixture in a dark place

How does a solution become supersaturated?

• dissolve lots of solute in it.
• dissolve a little solute in it. 
• dissolve more solute than you should be able to. 
• dissolve a super amount of solvent in it. 

Which of the following actions will NOT

increase the rate of dissolution

(dissolving)?

• Stirring the solution

• Decreasing the temperature

• Increasing the surface area of the

  solute

• Increasing the temperature

Which substance is SOLUBLE in water?

• sand
• oil
• salt (sodium chloride)
• sulfur

What characteristic of Dr. Pepper makes it a solution?

• It contains more than one ingredient

• It was developed using a recipe

• it contains dissolved fruit syrups and carbonated gas

• It can be separated using a filter