Matter Quiz

Which of the following is not a chemical change?

• Cooking an egg

• Burning a candle

• Adding sugar to coffee

• Forming rust on steel knives

Substances that cannot be broken down into other substances by ordinary chemical changes are classified as:

• Phases

• Elements

• Compounds

• Solutions

• Mixtures

Which of the following properties of sulfur are chemical properties?

• It reacts with hydrogen when heated

• It is a yellow solid at room temperature

• It is soluble (dissolves) in carbon disulfide

• Its density is 2.97 g/cm³

• It melts at 112°C

All of the following are physical properties of a substance in a liquid state EXCEPT:

• Definite volume

• indefinite shape

• incompressible

• Indefinite shape

A compound...

• can be physically separated into its elements

• Has a variable composition

• Has properties similar to those of its elements

• Is a pure substance

Gas is a form of matter that...

• has definite volume

• takes the shape of its container

• is generally a liquid or solid at room temperature

• is difficult

Which of the following is a chemical property of iron?

• Density = 7.874 g/mL

• Iron rusts in moist air

• Iron melts at 1808 K

• Iron is soft when pure

You have a bag of trail mix. What is it?

• Homogeneous mixture

• Heterogeneous mixture

• Element

• Compound

Which of these is an extensive property of a water sample?

• Colorless

• Density = 1.00 g/mL

• Transparent

• Volume

Crushing an Antacid tablet was an example of..

• Chemical change

• Physical change

• Both physical and chemical

• Neither physical or chemical