Question 1

An irreversible change would be

Accepted Answer

getting a hair cut

Answer

boiling water

Answer

chipping ice to flakes

Answer

condensing steam

Question 2

A gas sample will not demonstrate one of the following properties

Accepted Answer

has a definite shape

Answer

has a definite mass

Answer

has no definite shape

Answer

be easily compressed

Question 3

One of the following statements is not true of a physical change

Accepted Answer

the shape is unchanged

Answer

the identity of the material is unchanged

Answer

the reactivity is unchanged

Answer

the chemical composition is unchanged

Question 4

Sort the following properties as either intensive or extensive properits

Question 5

Bromine becomes another substance when it changes from liquid to gas.

Accepted Answer

False

Answer

True

Question 6

Air can be considered a pure substance.

Accepted Answer

False

Answer

True

Question 7

Magnetism is a physical property.

Accepted Answer

True

Answer

False

Question 8

The state of matter that has a definite shape and volume is

Accepted Answer

a crystal of sodium chloride

Answer

carbon dioxide in air

Answer

a quart of milk

Answer

neon gas in a tube

Question 9

Which of the following is not true of liquids?

Accepted Answer

liquids are very compressible

Answer

liquids have a definite volume

Answer

liquids can form vapors at higher temperatures

Answer

the molecules of a liquid are not rigidly ordered

Question 10

One of the following is not a physical change

Accepted Answer

burning wood

Answer

making furniture from wood

Answer

stacking wood

Answer

chopping wood up

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