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Test Bank for Chemistry: The Central Science 14th Edition by Brown, LeMay, Bursten, Murphy, Woodward, Stoltzfu $19.99
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Test Bank for Chemistry: The Central Science 14th Edition by Brown, LeMay, Bursten, Murphy, Woodward, Stoltzfu
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Test Bank for Chemistry: The Central Science 14th Edition by Brown, LeMay, Bursten, Murphy, Woodward, Stoltzfu. 1 Introduction: Matter, Energy, and Measurement 2 Atoms, Molecules, and Ions 3 Chemical Reactions and Reaction Stoichiometry 4 Reactions in Aqueous Solution 5 Thermochemistry 6 Electronic...

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  • 17 oktober 2024
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Chemistry: The Central Science, 14e (Brown, et al.)
Chapter 1 Introduction: Matter, Energy, and Measurement

1.1 Multiple-Choice Questions

1) What is the physical state in which matter has a specific volume but does not have a specific
shape?
A) gas
B) solid
C) liquid
D) salts




R
E) ice
Answer: C




U
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2




SE
GO: G2

2) The law of constant composition applies to ________.
A) solutions
B) heterogeneous mixtures
C) compounds
D) homogeneous mixtures
IS
O
E) solids
Answer: C
N
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
N


GO: G2
O



3) A combination of sand, salt, and water is an example of a ________.
A) homogeneous mixture
C




B) heterogeneous mixture
C) compound
ED




D) pure substance
E) solid
Answer: B
Diff: 1 Var: 1 Page Ref: Sec. 1.2
M




LO: 1.1
GO: G2




1
Copyright © 2018 Pearson Education, Inc.

,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




R
5) Which one of the following has the element name and symbol correctly matched?
A) S, sodium




U
B) Tn, tin
C) Fe, iron
D) N, neon




SE
E) B, bromine
Answer: C
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2 IS
O
6) Which one of the following elements is identified by the chemical symbol, Al?
A) tin
N
B) aluminum
C) mercury
N

D) copper
E) lead
O



Answer: B
Diff: 2 Var: 1 Page Ref: Sec. 1.2
C




LO: 1.2
GO: G2
ED




7) Which one of the following is often separated into its components by simple techniques such
as filtering or decanting?
A) heterogeneous mixture
M




B) compounds
C) homogeneous mixture
D) elements
E) solutions
Answer: A
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2




2
Copyright © 2018 Pearson Education, Inc.

,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




R
9) For which of the following, can the composition vary?
A) pure substance




U
B) element
C) both homogeneous and heterogeneous mixtures
D) homogeneous mixture




SE
E) heterogeneous mixture
Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2 IS
O
10) If matter is uniform throughout and cannot be separated into other substances by physical
means, it is ________.
N
A) a compound
B) either an element or a compound
N

C) a homogeneous mixture
D) a heterogeneous mixture
O



E) an element
Answer: B
C




Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
ED




GO: G2

11) An element cannot ________.
A) be part of a heterogeneous mixture
M




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
Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2




3
Copyright © 2018 Pearson Education, Inc.

, 12) Homogeneous mixtures are also known as ________.
A) solids
B) compounds
C) elements
D) substances
E) solutions
Answer: E
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2




R
13) The law of constant composition says ________.
A) that the composition of a compound is always the same




U
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




SE
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 IS
O
14) Which of the following is an illustration of the law of constant composition?
A) Water boils at 100 °C at 1 atm pressure.
N
B) Water is 11% hydrogen and 89% oxygen by mass.
C) Water can be separated into other substances by a chemical process.
N

D) Water and salt have different boiling points.
E) Water is a compound.
O



Answer: B
Diff: 2 Var: 1 Page Ref: Sec. 1.2
C




LO: 1.2
GO: G2
ED




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
M




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. 1.3
LO: 1.3
GO: G2




4
Copyright © 2018 Pearson Education, Inc.

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