Chemistry: The Central Science, 13e (Brown et al.) Chapter
1 Introduction: Matter and Measurement
1.1 Multiple-Choice Questions
1) What is the physical state in which matter has no specific shape but does have a specific volume?
A) gas
B) solid
C) liquid
D) salts
E) ice
Answer:
C
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
2) The law of constant composition applies to .
A) solutions
B) heterogeneous mixtures
C) compounds
D) homogeneous mixtures
E) solids
Answer:
C
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
3) A combination of sand, salt, and water is an example of a .
A) homogeneous mixture
B) heterogeneous mixture
C) compound
D) pure substance
E) solid
Answer:
B
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
,Chemistry-The Central Science by Brown 13E
4) A small amount of salt dissolved in water is an example of a .
A) homogeneous mixture
B) heterogeneous mixture
C) compound
D) pure substance
E) solid
Answer:
A
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
5) Which one of the following has the element name and symbol correctly matched?
A) S, sodium
B) Tn, tin
C) Fe, iron
D) N, neon
E) B,
bromine
Answer: C
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
6) Which one of the following elements has a symbol that is not derived from its foreign name?
A) tin
B) aluminum
C) mercury
D) copper
E) lead
Answer:
B
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
7) Which one of the following is often easily separated into its components by simple
techniques such as filtering or decanting?
A) heterogeneous mixture
B) compounds
C) homogeneous mixture
D) elements
E) solutio
ns
,Chemistry-The Central Science by Brown 13E
Answer:
A
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
,Chemistry-The Central Science by Brown 13E
8) Which states of matter are significantly compressible?
A) gases only
B) liquids only
C) solids only
D) liquids and gases
E) solids and
liquids Answer:
A
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
9) For which of the following can the composition vary?
A) pure substance
B) element
C) both homogeneous and heterogeneous mixtures
D) homogeneous mixture
E) heterogeneous
mixture Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
10) If matter is uniform throughout and cannot be separated into other substances by physical means
is
.
A) a compound
B) either an element or a compound
C) a homogeneous mixture
D) a heterogeneous mixture
E) an
element
Answer: B
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
11) An element cannot .
A) be part of a heterogeneous mixture
B) be part of a homogeneous mixture
C) be separated into other substances by chemical means
D) interact with other elements to form compounds
E) be a pure
substance
,Chemistry-The Central Science by Brown 13E
Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
,Chemistry-The Central Science by Brown 13E
12) Homogeneous mixtures are also known as .
A) solids
B) compounds
C) elements
D) substances
E) solutio
ns
Answer:
E
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
13) The law of constant composition says .
A) that the composition of a compound is always the same
B) that all substances have the same composition
C) that the composition of an element is always the same
D) that the composition of a homogeneous mixture is always the same
E) that the composition of a heterogeneous mixture is
always the same Answer: A
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
14)Which of the following is an illustration of the law of constant composition?
A) Water boils at 100 °C at 1 atm pressure.
B) Water is 11% hydrogen and 89% oxygen by mass.
C) Water can be separated into other substances by a chemical process.
D) Water and salt have different boiling points.
E) Water is a
compound. Answer:
B
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
15) In the following list, only is not an example of a chemical reaction.
A) dissolution of a penny in nitric acid
B) the condensation of water vapor
C) a burning candle
D) the formation of polyethylene from ethylene
E) the rusting of
iron Answer: B
Diff: 2 Var: 1 Page Ref: Sec.
,Chemistry-The Central Science by Brown 13E
1.3 GO: G2
, Chemistry-The Central Science by Brown 13E
16) Gases and liquids share the property of .
A) compressibility
B) definite volume
C) incompressibility
D) indefinite shape
E) definite
shape
Answer: D
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
17) Of the following, only is a chemical reaction.
A) melting of lead
B) dissolving sugar in water
C) tarnishing of silver
D) crushing of stone
E) dropping a penny into a glass
of water Answer: C
Diff: 2 Var: 1 Page Ref: Sec.
1.3 GO: G2
18) Which one of the following is not an intensive property?
A) density
B) temperature
C) melting point
D) mass
E) boiling
point
Answer: D
Diff: 2 Var: 1 Page Ref: Sec.
1.3 GO: G2
19) Which one of the following is an intensive property?
A) mass
B) temperature
C) heat content
D) volume
E) amoun
t
Answer:
B
Diff: 2 Var: 1 Page Ref: Sec.
1.3 GO: G2
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