Physical and Chemical Changes

Which of the following is NOT an example of matter?

• air

• heat

• smoke

• water vapor

Which state of matter expands when heated and is easy to compress?

• gas

• liquid

• solid

• all of the above

All of the following are physical properties of matter EXCEPT _____.

• mass

• color

• melting point

• ability to rust

Which of the following is NOT a physical property of water?

• It has a boiling point of 100^oC

• It is a colorless liquid

• It is composed of hydrogen and oxygen

• Sugar dissolves in it

Which state of matter takes both the shape and volume of its container?

• solid

• Liquid

• Gas

• both gas and liquid

Which state of matter expands when heated and is easy to compress?

• gas

• liquids

• solids

• all of the above

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

• indefinite volume

• definite mass

• not easily compressed

• indefinite shape

Which of the following is a heterogeneous mixture?

• air

• salt water

• steel

• soil

Which of the following is a physical change?

• corrosion

• explosion

• evaporation

• rotting of food

Which of the following is true about compounds?

A)

B)

C)

D)

• they can be physically separated into their component elements

• they have compositions that vary

• they are substances