Solutions and Dissolution Check For Understanding

What is the definition of a solution?

• A heterogeneous mixture with varying compositions

• A homogeneous mixture with the same composition throughout

• A mixture that only exists in liquid form

• Two substances that cannot be mixed together

In a solution, what is the solute?

• The substance doing the dissolving

• The final mixture that forms

• The substance being dissolved

• The container holding the mixture

Which statement about gases in solutions is correct?

• Only some gas mixtures are solutions

• Gases cannot form solutions

• All mixtures of gases are solutions

• Gases only form solutions with liquids

What is another name for a solid solution?

• Compound

• Suspension

• Colloid

• Alloy

Where does the process of dissolving a solid in a liquid begin?

• At the center of the solid

• At the surface of the solid

• Throughout the liquid simultaneously

• At the bottom of the container

Which property is characteristic of brass?

• It is a pure element

• It contains only zinc

• It has metallic properties

How do liquid particles behave compared to solid particles during dissolution?

• They move more slowly

• They don't move at all

• They move more freely

• They only move downward

What happens when water molecules interact with a dissolving solid?

• They repel the solid molecules

• They pull molecules away from the solid

• They compress the solid

• They evaporate immediately

Tags

NGSS.MS-PS1-2

What is the solvent in a Kool-Aid drink?

• The powder

• The sugar

• The water

• The flavor

How do solid particles behave during solid-in-solid dissolution?

• They move very little

• They move rapidly

• They evaporate first

• They expand significantly