Chapter 2 Properties of Matter - Review

Which of the following is a mixture?

• air

• gold

• hydrogen

• nitrogen

Which of the following describes a substance that cannot be decomposed into simpler substances?

• a mixture

• an element

• composed of multiple types of atoms

• both b and c

Which of the following is the chemical symbol for silver?

• Ag

• Si

• Sl

• Sg

Why is water considered a compound?

• It consists of two or more elements chemically combined.

• It can be separated into hydrogen and oxygen through chemical reactions.

• It is composed of identical water molecules.

• both a and b

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which of the following statements is true about mixtures?

• can be separated into components by physical means

• always have a uniform composition

• are pure substances

• both a and c

Which of the following is an example of a colloid?

• fog

• salt water

• pure gold

• granite

Before pouring a carton of almond milk, you see a note that says “shake well before use.” The almond milk is most likely a

• solution.

• pure substance.

• colloid.

• suspension.

Which of the following has the highest viscosity?

• oil

• milk

• water

• syrup

Which of the following materials is ductile and a good conductor of heat?

• plastic

• glass

• a metal

• rubber

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following materials is useful for making molds because it has a low melting point?

• wood

• metal

• clay

• wax

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4