Elements, Compounds, and Mixtures Quiz

Which of the following is a characteristic of mixtures?

• They have chemical bonds between their components.

• They can be separated into their components by physical means.

• They have a fixed composition.

• They cannot be separated into their components.

What type of mixture is salt water?

• Homogeneous

• Heterogeneous

• Compound

• Element

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

• Vinegar

• Air

• Salad

• Sugar solution

In a homogeneous mixture, the components are ___________.

• visibly distinguishable

• not visibly distinguishable

• chemically bonded

• in a fixed ratio

Which of the following methods can be used to separate a mixture of sand and water?

• Filtration

• Distillation

• Chromatography

• Crystallization

A solution is a type of ___________ mixture.

• homogeneous

• heterogeneous

• compound

• elemental

Which of the following is NOT a characteristic of a compound?

• Can be separated into its components by chemical means.

• Has a fixed composition.

• Components are in a specific ratio.

• Can be separated into its components by physical means.

Suspensions and colloids are types of ___________ mixtures.

• homogeneous

• heterogeneous

• compounds

• elements

Which of the following mixtures can scatter light (Tyndall effect)?

• Solutions

• Colloids

• Compounds

• Pure substances

The air we breathe is an example of a ___________ mixture.

• homogeneous

• heterogeneous

• compound

• element