Understanding Mixtures: Homogeneous vs. Heterogeneous

What is a mixture?

• A compound formed by chemical bonds

• A physical combination of two or more substances

• A single pure substance

• A chemical reaction between two substances

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

• Salt dissolved in water

• Sand and pebbles

• Salad

• Oil and water

What characteristic defines a homogeneous mixture?

• Visible particles

• Non-uniform composition

• Uniform composition throughout

• Presence of multiple phases

Which of the following is NOT a characteristic of a heterogeneous mixture?

• Visible particles

• Non-uniform composition

• Uniform composition throughout

• Visible boundaries of separation

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

• Sugar solution

• Vinegar

• Air

• Pizza