Unit 2 Test

Which of the following is a characteristic of a homogeneous mixture?

• The components can be easily seen and separated.

• It has a uniform composition throughout.

• It consists of two or more phases.

• The components are easily distinguishable.

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

• Saltwater

• Air

• Salad

• Vinegar

What is a key difference between heterogeneous and homogeneous mixtures?

• Homogeneous mixtures have multiple phases.

• Heterogeneous mixtures have a uniform composition.

• Homogeneous mixtures are always liquids.

• Heterogeneous mixtures have distinct parts.

Which branch of the classification of matter flowchart do homogeneous and heterogeneous come from?

• Pure Substances

• Elements

• Compounds

• Mixtures

Which of the following is NOT a homogeneous mixture?

• Brass

• Saltwater

• Oil and water

• Vinegar

In which type of mixture are the individual substances not easily distinguished?

• Heterogeneous

• Homogeneous

• Colloidal

• Suspension

What type of mixture is blood?

• Homogeneous

• Heterogeneous

• Elemental

• Compound

Which of the following statements is true about heterogeneous mixtures?

• They are always liquids.

• They have a uniform composition.

• They consist of a single phase.

• Their components can be physically separated.

Which of the following is a homogeneous mixture?

• Concrete

• Steel

• Fruit salad

• Oil and vinegar dressing

Which of the following describes a solution?

• A mixture where particles settle over time

• A homogeneous mixture with huge particles

• A mixture with large, visible particles

• A mixture that can be separated by filtration