Changes in Matter & P/C Changes

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

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

Salt water is a 

• compound
• element
• heterogeneous mixture
• solution

Which of the following factors does not effect solubility?

• Temperature
• Agitation (stirring)
• Color
• Surface Area of solute (size)

What will allow more solute to be dissolved in a solvent.

• adding more solute
• evaporation
• cooling solution
• heating solution

Tags

NGSS.MS-PS1-4

A tablespoon of salt is added to a glass of water. In this example, the salt is the

• solvent
• solute
• solution

Look at the diagram. In this diagram, the red dots represent

• the solute
• the solvent
• the solution

Tags

NGSS.MS-PS3-4

Look at the diagram. In this diagram, the blue area represents

• the solute
• the solvent
• the solution

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.

Tags

NGSS.MS-PS1-2

Which of the following factors affects solubility?

• temperature

• agitation

• surface area

• all of the above