Basic Concepts About Matter

Question 1

The state of matter observed for a particular substance is
dependent on its
a) size and shape
b) temperature and pressure
c) weight and length
d) time and distance
e) pressure and density

Answer 1

b) temperature and pressure

Question 2

Matter can best be defined as anything that

a) is visible with defined dimensions
b) is invisible
c) occupies space
d) has shape
e) has mass and occupies space

Answer 2

e) has mass and occupies space

Question 3

\_\_\_\_\_\_\_\_\_\_ can be described in terms of its states, physical
and chemical properties.
a) An element
b) A compound
c) An atom
d) Matter
e) A molecule

Answer 3

d) Matter

Question 4

Matter can exist in __________ different physical states.

a) one
b) two
c) three
d) four
e) five

Answer 4

c) three

Question 5

Transformations between states and properties of a matter are

a) impossible
b) possible
c) difficult
d) infrequent
e) prohibitive

Answer 5

b) possible

Question 6

An example of an extensive property of a substance is

a) colour
b) boiling point
c) mass
d) freezing point
e) density

Answer 6

c) mass

Question 7

Which is not an example of a physical property of a
material?
a) its colour
b) its boiling point
c) its odour
d) its reactive properties
e) its density

Answer 7

d) its reactive properties

Question 8

An example of a physical property is the

a) formation of smoke
b) rusting of steel
c) melting point of a substance
d) burning of coal
e) burning of wood

Answer 8

c) melting point of a substance

Question 9

An example of a chemical property is the

a) formation of steam from water
b) melting point of a metal
c) formation of ice from water
d) formation of rust on a metal
e) melting point of ice

Answer 9

d) formation of rust on a metal

Question 10

The density of water is __________ g/ml.

a) 1
b) 2
c) 3
d) 4
e) 5

Answer 10

a) 1

Question 11

An intensive (physical) property is one that is

a) dependent on the amount of matter
b) not dependent on the amount of matter
c) dependent on the volume
d) dependent on the amount of mass
e) dependent on the amount of pressure applied

Answer 11

b) not dependent on the amount of matter

Question 12

An extensive (physical) property is one that is

a) dependent on the amount of matter
b) not dependent on the amount of matter
c) dependent on the volume
d) dependent on the amount of mass
e) dependent on the amount of pressure applied

Answer 12

a) dependent on the amount of matter

Question 13

Which of the following involves a chemical change?
a) burning natural gas
b) melting steel
c) sublimation of CO
2
d) evaporation of alcohol
e) the freezing of water

Answer 13

a) burning natural gas

Question 14

Which is an example of a physical change in a material?

a) melting
b) evaporation
c) condensation
d) sublimation
e) all of the above

Answer 14

e) all of the above

Question 15

When the composition of a substance is not altered but its
state is, this is called
a) physical change
b) chemical change
c) physical property
d) chemical property
e) homogeneous property

Answer 15

a) physical change

Question 16

An example of a physical change is

a) specific heat
b) melting of lead
c) burning of coal
d) rust on steel
e) burning of fuel oil

Answer 16

b) melting of lead

Question 17

When the composition of a substance is altered and as a
result it is no longer the same substance, this is called a
a) physical property
b) chemical property
c) physical change
d) chemical change
e) heterogeneous change

Answer 17

d) chemical change

Question 18

An example of a chemical change is

a) melting of lead
b) steam to water
c) burning of coal
d) water to ice
e) heat of fusion

Answer 18

c) burning of coal

Question 19

If a substance goes through a process that changes its
composition so that it is no longer the same substance, then
it is said that the substance has undergone a
a) physical change
b) heterogeneous change
c) homogeneous change
d) chemical change
e) physical property

Answer 19

d) chemical change

Question 20

Which of the following represent homogenous mixtures?

a) an emulsion of oil and water
b) flue gas
c) a mixture of sand and water
d) metal alloys
e) b and d

Answer 20

e) b and d

Question 21

Pure substances are

a) homogeneous and heterogeneous
b) homogeneous mixtures
c) compounds and elements
d) heterogeneous mixtures
e) varied in composition

Answer 21

c) compounds and elements

Question 22

Any substance composed of two or more elements which are
combined chemically is a
a) chemical change
b) physical change
c) mixture
d) compound
e) molecule

Answer 22

d) compound

Question 23

Any substance which cannot be broken down into other
substances or ingredients by chemical means is
a) a mixture
b) a compound
c) an electron
d) an atom
e) an element

Answer 23

e) an element

Question 24

Any substance which consists of different elements or
compounds, or both is
a) an atom
b) a mixture
c) a solution
d) an element
e) a compound

Answer 24

b) a mixture

Question 25

If there is a material that cannot be separated into any
other individual materials by any chemical means, then it
is called
a) an atom
b) a compound
c) a mixture
d) a molecule
e) an element

Answer 25

e) an element

Question 26

A material made up of two or more elements in chemical
combination represents a
a) chemical change
b) physical change
c) compound
d) mixture
e) molecule

Answer 26

c) compound

Question 27

Any material made up of distinct elements, compounds, or
both, not chemically combined with each other represents
a) an atomic structure
b) a mixture
c) a molecule
d) an element compound
e) a compound

Answer 27

b) a mixture

Question 28

An example of a homogeneous mixture is

a) emulsion
b) sand and water
c) flue gas
d) soda water
e) acid

Answer 28

c) flue gas

Question 29

An example of a homogeneous mixture of solid elements is

a) metal alloy
b) stainless steel
c) concrete
d) plastic
e) wood

Answer 29

a) metal alloy

Question 30

An example of a heterogeneous mixture is

a) sand and water
b) soda water
c) acid
d) flue gas
e) metal alloys

Answer 30

a) sand and water

Question 31

An example of a heterogeneous mixture is

a) acid
b) flue gas
c) metal alloys
d) soda water
e) oil and water emulsion

Answer 31

e) oil and water emulsion

Question 32

The Periodic Table lists all of the known

a) elements
b) mixtures
c) compounds
d) matter
e) substances

Answer 32

a) elements

Question 33

The periodic table
a) arranges elements in equal numbers of columns and rows
b) arranges elements in descending order of atomic number
c) reflects the similar chemical properties of some elements
d) has sixteen distinct groups
e) provides no information besides the chemical symbol of
the element

Answer 33

c) reflects the similar chemical properties of some elements