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Unit 1 Test Properties of Matter Test Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What is matter?

4 lines
2.
A substance that has high reactivity
a)
easily combines chemically with other substances.
b)
burns in the presence of water.
c)
displaces dissolved oxygen.
d)
has a high boiling point.
3.
Water is a compound because it
a)
can be broken down into simpler substances.
b)
always has two hydrogen atoms for each oxygen atom.
c)
is made of water atoms joined together.
d)
both a and b.
4.
Anything that has mass and volume is
a)
matter.
b)
an element.
c)
a colloid.
d)
a mixture.
5.
Which mixture is homogeneous?
a)
A
b)
B
c)
A and B
d)
Neither
6.
Which letter shows a gas?
a)
A
b)
B
c)
C
d)
D
e)
E
7.
Which letter shows a phase change of melting and freezing?
a)
A
b)
B
c)
C
d)
D
e)
E
8.
Which letter shows a liquid?
a)
A
b)
B
c)
C
d)
D
e)
E
9.
During which phase change does the arrangement of water molecules become more orderly?
a)
melting
b)
freezing
c)
boiling
d)
condensing
10.
Forces of attraction limit the motion of particles most in
a)
a solid.
b)
a liquid.
c)
a gas.
d)
both b and c.
11.
When a physical change in a sample occurs, which of the following does not change?
a)
shape
b)
temperature
c)
volume
d)
composition
12.
The density of water is
a)
0 g/mL
b)
1 g/mL
c)
2 g/mL
d)
10 g/mL
13.
Which statement is TRUE regarding the Kinetic Theory?
a)
Molecules/particles will stop all motion at very low temperatures.
b)
When you remove energy from particles, they will move faster.
c)
Lighter particles move more slowly than heavier particles at the same temperature.
d)
At the same temperature, particles that are heavier will move more slowly than lighter molecules.
14.
A block of metal has a mass of 60 g and a volume of 2.5 cm3. What is the density of the metal?
a)
0.04 g/cm3
b)
24 g/cm3
c)
150 g/cm3
d)
3.84 g/cm3
15.
Which of the following is a characteristic of a mixture?
a)
has varying properties
b)
has a fixed composition
c)
contains only pure substances
d)
both a and b
16.
Which of the following has the highest viscosity?
a)
corn syrup
b)
milk
c)
water
d)
orange juice
17.
Which of the following is a clue of a chemical change?
a)
iron changes color when heated
b)
gas bubbles form in boiling water
c)
balls of wax form when melted wax is poured into ice water
d)
a gas forms when vinegar and baking soda are mixed
18.
What type of change occurs when water changes from a solid to a liquid?
a)
a phase change
b)
a physical change
c)
an irreversible change
d)
both a and b
19.
The phase change in which a substance changes from a solid to a liquid is
a)
freezing.
b)
melting.
c)
sublimation.
d)
condensation.
20.
Which of the following are pure substances? (Choose ALL that apply)
a)
compounds
b)
elements
c)
oxygen
d)
solutions
e)
homogeneous mixtures
21.
A gas has
a)
a definite volume but no definite shape.
b)
a definite shape but no definite volume.
c)
no definite shape or definite volume.
d)
a definite volume and definite shape.
22.
According the Gas Laws: Raising the temperature of a gas will increase its pressure if the volume of the gas
a)
and the number of particles are increased.
b)
is increased, but the number of particles is constant.
c)
and the number of particles are constant.
d)
is constant, but the number of particles is reduced.
23.
The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first.
a)
sublimation.
b)
deposition.
c)
vaporization.
d)
melting.
24.
The phase change in which a substance changes from a liquid to a gas is
a)
deposition.
b)
sublimation.
c)
condensation.
d)
evaporization.
25.
Boyle's law states that the volume of a gas is inversely proportional to its pressure if the
a)
temperature and number of particles are constant.
b)
temperature reaches absolute zero.
c)
number of particles decreases.
d)
temperature and number of particles are doubled.
26.
The phase change that is the reverse of condensation is
a)
freezing.
b)
sublimation.
c)
evaporization.
d)
melting.
27.
A substance that is made up of only one kind of atom is a (an)
a)
compound.
b)
homogeneous mixture.
c)
element.
d)
solution.
28.
During a phase change, the temperature of a substance
a)
increases.
b)
decreases.
c)
does not change.
d)
increases or decreases.
29.
A mixture can be classified as a solution, suspension, or colloid based on the
a)
number of particles it contains.
b)
size of its largest particles.
c)
color of its particles.
d)
size of its smallest particles.
30.
Filtration can be used to separate mixtures based on
a)
their boiling points.
b)
their densities.
c)
their melting points.
d)
the size of their particles.
31.
Which of the following is not a pure substance?
a)
milk
b)
oxygen
c)
water
d)
carbon dioxide
32.
Matter that has a definite volume but not definite shape is a
a)
liquid.
b)
solid.
c)
gas.
d)
plasma.
33.

According to Charles's Law, what happens to the volume of a gas when its temperature increases at constant pressure?

a)

The volume remains the same

b)

The volume decreases

c)

The volume increases

d)

The volume becomes zero

34.

If the pressure on a gas is doubled while the temperature remains constant, what happens to the volume according to Boyle's Law?

a)

It is halved

b)

It doubles

c)

It becomes zero

d)

It remains unchanged

35.

Which of the following best describes the relationship between pressure and volume in Boyle's Law?

a)

Unrelated

b)

Exponentially proportional

c)

Directly proportional

d)

Inversely proportional

36.

Which of the following is an example of a physical change?

a)

Burning wood

b)

Rusting iron

c)

Melting ice

d)

Baking a cake

37.

What happens to the particles in a substance as it is heated?

a)

They stop moving

b)

They move more slowly

c)

They become larger

d)

They move faster

38.

Which method would best separate a mixture of sand and salt?

a)

Distillation

b)

Filtration

c)

Evaporation

d)

Chromatography

39.

Which of the following best describes a pure substance?

a)

It has variable composition.

b)

It contains only one type of particle throughout.

c)

It is always a mixture of elements and compounds.

d)

It can be separated by physical means.

40.

Which of the following is an example of a mixture?

a)

Table salt (NaCl)

b)

Distilled water

c)

Oxygen gas

d)

Air

41.

How can you distinguish a mixture from a pure substance?

a)

A mixture can have varying properties, while a pure substance has consistent properties throughout.

b)

A pure substance can be separated by physical means, but a mixture cannot.

c)

Both mixtures and pure substances have variable composition.

d)

A mixture has a fixed composition, while a pure substance does not.

42.

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

a)

Density

b)

Boiling point

c)

Flammability

d)

Viscosity

43.

Which phase change occurs when a gas turns directly into a solid?

a)

Condensation

b)

Deposition

c)

Sublimation

d)

Melting

44.

What happens to the temperature of a substance during a phase change?

a)

It fluctuates randomly

b)

It remains constant

c)

It decreases rapidly

d)

It increases rapidly

45.

Which of the following best describes a solvent?

a)

A substance that is dissolved in a solution

b)

A substance that dissolves another substance

c)

A gas that forms bubbles in a liquid

d)

A solid that cannot dissolve in water

46.

When table salt is dissolved in water, which is the solute?

a)

Neither water nor salt

b)

Both water and salt

c)

Salt

d)

Water

47.

Which of the following would most likely increase the rate at which a solute dissolves in a solvent?

a)

Stirring the solution

b)

Using larger solute particles

c)

Decreasing the temperature

d)

Leaving the solution undisturbed

48.

Which formula is used to calculate the density of an object?

a)

Density = Mass × Volume

b)

Density = Mass + Volume

c)

Density = Mass ÷ Volume

d)

Density = Volume ÷ Mass

49.

An object has a mass of 250 g and a volume of 50 cm3. What is its density?

a)

5 g/cm3

b)

0.2 g/cm3

c)

200 g/cm3

d)

300 g/cm3

50.

If two objects have the same volume but different masses, which statement is true about their densities?

a)

The object with greater mass has lower density.

b)

The object with greater mass has higher density.

c)

Density does not depend on mass.

d)

Both objects have the same density.

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