Pure Substances and Mixtures Quiz

What are the two main categories of substances?

• Elements and Compounds

• Gases and Liquids

• Pure Substances and Mixtures

• Solids and Liquids

Which of the following is a pure substance?

• Water

• Chocolate milk

• Salt water

• Salad

What happens to a pure substance during a physical change?

• It becomes a new substance

• It turns into a mixture

• Its composition remains the same

• Its composition changes

What is an example of a physical change in water?

• Water mixing with salt

• Water turning into hydrogen and oxygen

• Water turning into steam

• Water turning into ice

What is a mixture?

• A combination of two or more pure substances

• A single type of matter

• A substance that cannot be separated

• A new element

Which type of mixture has components that are not visible to the eye?

• Solid

• Heterogeneous

• Pure

• Homogeneous

Which of the following is a homogeneous mixture?

• Tomato, lettuce, and corn salad

• Chocolate milk

• Water with oil

• Salad

What is mayonnaise an example of?

• Element

• Pure substance

• Heterogeneous mixture

• Homogeneous mixture

Which of the following is a heterogeneous mixture?

• Tomato, lettuce, and corn salad

• Chocolate milk

• Salt water

• Mayonnaise

What type of mixture is a chocolate milkshake?

• Heterogeneous mixture

• Pure substance

• Homogeneous mixture

• Element