Reteach. GA. S8P1a Pure Substance vs. Mixtures

What is a pure substance?

• A combination of substances

• An element or a compound

• A type of mixture

• A solution with no solute

How can compounds be separated?

• By physical means

• Not at all

• Through a chemical process

• By heating only

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

• Fruit salad

• Gatorade

• Soil

• Oil and vinegar

What distinguishes a heterogeneous mixture?

• It is uniform throughout

• It can be separated physically

• It contains only pure substances

• It contains only pure substances

What happens if a substance can be separated physically?

• It is a pure substance

• It is a compound

• It is a mixture

• It is an element