Solutions Review

A homogeneous mixture that is uniformly mixed is

• A mixture of oil and water

• A solution

• A mixture of ice and water

• None of the above

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

• diluted.

• saturated.

• supersaturated.

• unsaturated.

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 lowest surface area-volume ratio.

• It has the largest number of sugar molecules.

• It has the fewest bonds between sugar modules.

Tags

NGSS.MS-PS1-2

A solution that is able to dissolve additional solute is best described as

• supersaturated.

• concentrated.

• saturated

• unsaturated.

Select THREE factors which can affect the solubility of a substance

• temperature

• size of solute or the surface area of the solute

• the amount of stirring

• colour of the solute

• whether the compound is ionic or covalent

Tags

NGSS.MS-PS1-4

The substance being dissolved.

• Solute
• Solvent
• Solution
• Concentration

When you put a Kool-Aid packet in a pitcher of water, which one is the solvent?

• Kool-aid
• Water

If an electrical current can run through a solution, it is said to contain

• magic
• nonelectrolytes
• electricity
• electrolytes

Which of the following is an electrolyte?

• sodium chloride
• sugar (carbon, oxygen, hydrogen)
• water (hydrogen and water)
• sand (silicon and oxygen)

How can you create a supersaturated solutions?

• Dissolve lots of solvent in the solute

• Dissolve a small amount solute in the solvent

• Dissolve more solute in the solvent than you should be able to by heating the solvent

• Dissolve a super amount of solvent in the solute

Tags

NGSS.MS-PS1-4