Matter, properties and classification

Water, table salt, sugar, and carbon dioxide are examples of _____.

• compounds

• elements

• mixtures

• solutions

The following statements describe a physical property EXCEPT one.

• Ice melts when heated

• Aluminum is a silver-colored metal

• The density of water is 1g/cm³

• An iron bar rusts

In identifying a sample of a pure substance, which may be its chemical property?

• Its mass is 26.87 g

• It melts when heated

• It burns in air

• It is a good heat conductor

Which of the following is a physical property?

• Ability to burn

• Reaction with acids

• Flash point

• Solubility

What is the Law of Conservation of mass?

• Mass is created in a chemical reaction
• Mass is created in a physical change
• New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
• Mass is never created or destroyed

Matter that physically combines 2 or more different particles that are evenly distributed throughout is defined as

• an element

• a compound

• a heterogeneous mixture

• a homogeneous mixture

A classification of matter that is made up on only 1 type of particle is called

• a heterogeneous mixture

• a pure substance

• a homogeneous mixture

• a blender

What are gases?

• They have no definite shape or volume and will fill any container they are in.

• They take the shape of their containers and have a definite volume.

• They have a definite shape and volume.

Which of the following is NOT a pure substance?

• milk

• oxygen

• water

• carbon dioxide

Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________

• pure substance

• mixture