Mixtures and Substances

Mixtures and Substances

Open Ended

1. What is one example of a homogenous mixture?

2. What is one example of a heterogeneous mixture?

3. What is the difference between the two?

Types of Mixtures

Please use the information from this slide to answer the questions that follow.

Multiple Choice

If you buy a can of paint at a paint store, a store employee may put the can on a shaker machine to mix up the paint in the can. What type of mixture is the paint?

• A solution

• A colloid

• A suspension

Multiple Choice

The milk you buy in the supermarket has gone through a process called homogenization. This process breaks up the cream in the milk into smaller particles. As a result, the cream doesn’t separate out of the milk no matter how long it sits on the shelf. Which type of mixture is homogenized milk?

• A solution

• A colloid

• A suspension

Separating Mixtures

• Please go to the site: https://www.bbc.co.uk/bitesize/guides/zgvc4wx/revision/1

• You will need this site to answer the questions that follow.

Open Ended

List three methods for separating mixtures.

Open Ended

When is filtration the most efficient method for separation?

Open Ended

When is evaporation the most efficient method for separation?

Open Ended

How does a mixture of sulfur and iron differ from a compound of sulfur and iron?

Open Ended

Explain why a magnet can separate the iron from a mixture but not a compound.