Mixtures and Pure Substances Quiz

Which statement best describes a mixture?

• A substance made of only one type of atom

• A substance chemically bonded together

• A combination of two or more substances physically combined

• A substance that cannot be separated

Fill in the blanks: A homogeneous mixture is mixed ___ and looks the ___ throughout.

(a)   ​

• evenly, same
• unevenly, different
• evenly, different
• unevenly, same

Oil and water mixed together is a:

• Homogeneous mixture

• Heterogeneous mixture

Which example below is a pure substance?

• Air

• Salt water

• Gold

• Salad

Which list contains ONLY homogeneous mixtures?

• Salad, cereal in milk, ice water

• Air, salt water, coffee

• Chicken noodle soup, soda, cereal

• Oil and water, salad, air

Which statement is TRUE?

• Homogeneous mixtures are unevenly mixed

• Heterogeneous mixtures look the same throughout

• Pure substances can be elements or compounds

• Mixtures cannot be separated

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

• The components are visibly distinct.

• The composition is uniform throughout.

• The components can be easily separated by physical means.

• It always contains only one type of substance.

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

• Saltwater

• Air

• Salad

• Vinegar

Italian Salad Dressing

• heterogeneous mixture
• homogeneous mixture

What is colored water?

• homogeneous

• heterogenous