8th - Quiz (6.1 & 6.2)

A mixture is a combination of two or more substances in any proportion that do not combine chemically.

• True

• False

Which of the following is an example of a heterogenous mixture?

(Select all that apply!)

• 
• 
• 
• 

What distinguishes a heterogeneous mixture from a homogeneous mixture?

• Homogeneous mixtures have large particles.

• Homogeneous mixtures have varying compositions.

• Homogeneous mixtures have the same composition throughout.

• Heterogeneous mixtures have the same composition throughout.

What type of mixture is characterized by medium-sized particles that are large enough to see but not large enough to settle or be filtered out of the mixture?

• Suspension

• Heterogeneous

• Solution

• Colloid

What distinguishes a suspension from a colloid?

• Suspensions have medium-sized particles.

• Suspensions have tiny particles.

• Colloids have medium-sized particles that do not settle.

• Colloids have a heterogeneous composition.

Mixtures can be separated using all of the following methods except...

• Boiling

• Dissolving

• Filtering

• A chemical reaction

Which of the following is an example of a suspension?

• 
• 
• 
• 

Why might it be challenging to separate the components of a solution compared to a suspension?

• Solutions have larger particles that settle quickly and can be filtered easily.

• Suspensions have larger particles that settle quickly and can be filtered easily.

• Suspensions have smaller particles that are difficult to filter.

• Solutions and suspensions are both easy to separate.

A homogeneous mixture with evenly spread dissolved particles is considered a suspension.

• True

• False

Which of the following is the solute in a solution of salt water?

• the water

• the sugar

• the salt and the water

• the salt