Chem 101 HW 2

A homogeneous mixture is also called a ____________.

solution

A bar of soap is an example of a(n)

mixture

A human is an example of a(n)

heterogeneous mixture

Gasoline is composed of a variety of different liquid hydrocarbons, which do not separate as time passes. Gasoline is an example of a:

solution

Glucose is an example of a(n)

compound

An iron nail is an example of a(n)

Element

Which of the following is a pure substance that cannot be broken down into simpler substances by chemical means?

chemical element

Epsom salts (magnesium sulfate) is an example of a(n)

compound

Which of the following is a pure substance that can be broken down into simpler substances by chemical means?

compound

Water and laundry detergent are mixed together, with detergent molecules dispersing uniformly throughout the liquid. This is an example of a ______.

homogeneous mixture (solution)

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

sand

Which of the following compounds contains exactly three elements?

CaCO₃

Propane (C₃H₈) is commonly used as a fuel for heating. Propane is an example of a(n)

compound

Italian dressing contains olive oil and vinegar, which will separate out from each other if left to sit. This makes the dressing a:

heterogeneous mixture