Chemistry Summer Work - Matter and Change Quiz

Which of the following is a mixture containing a compound and an element?

• A

• B

• C

• B and C

Which of the following is a pure substance?

• D

• E

• F

• D and E

• D and F

Which of the following is a mixture of elements?

• G

• H

• I

• H and I

Match the following on what physical property you would use to separate the mixture.

• Size of particle

• Salt water

• Solubility

• Rocks and Sand

• Magnetism

• Oil and Water

• Boiling Point

• Sand and Salt

• Density

• Iron and Sulfur

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is

• a gas at room temperature.

• made of two different elements.

• given off by green plants.

• useful to human beings.

The smallest particle of any particular type of matter is known by which of the following terms?

• Element

• Chemical

• Atom

• Compound

A pure substance that can not be broken down into a simpler substance is known by what term?

• Molecule

• Crystal

• Element

• Compound

H2O is a compound. The compound H2O can only be broken down into H and O by –

• physical changes.

• size changes.

• chemical changes.

• temperature changes.

Which of the following is composed of two or more different substances, each of which retains its own individual properties, that are physically combined?

• Element

• Atom

• Molecule

• Mixture

Which of the following is composed of two or more different substances (each of which retains its own individual properties) that are physically combined?

• Element

• Atom

• Molecule

• Mixture