Test Bank - Chemistry: The Central Science, 11th Edition (Brown, 2026), Chapter 1-24 | All Chapters

TEST BANK

,Chemistry, 11e (Brown)
Chapter 1: Introduction: Matter and Measurement
Multiple Choice and Bimodal

1) Solids have a shape and are not appreciably .
A) Definite, compressible
B) Definite, incompressible
C) Indefinite, compressible
D) Indefinite, incompressible
E) Sharp,
convertible ANS: A
Diff: 1 Page Ref: Sec. 1.2

2) Is the chemical symbol for elemental sodium.
A) S
B) W
C) So
D) Na
E) Sn
ANS: D
Diff: 1 Page Ref: Sec. 1.2

3) If matter is uniform throughout, cannot be separated into other substances by physical processes, but can be
decomposed into other substances by chemical processes, it is called a (an) .
A) Heterogeneous mixture
B) Element
C) Homogeneous mixture
D) Compound
E) Mixture of elements
ANS: D
Diff: 4 Page Ref: Sec. 1.2

4) The symbol for the element potassium is .
A) Pt
B) P
C) K
D) S
E) Ca
ANS: C
Diff: 1 Page Ref:Sec. 1.2

5) The symbol for the element magnesium is .
A) Rb
B) Mn
C) Ne
D) Si
E) Mg
ANS: E
Diff: 1 Page Ref:Sec. 1.2

6) The initial or tentative explanation of an observation is called a(n) .
A) Law
B) Theory
C) Hypothesis
D) Experiment
E) Test
ANS: C
Diff: 2 Page Ref:Sec. 1.3



1

,7) A concise verbal statement or mathematical equation that summarizes a broad variety of observations and
experiences is called a(n) .
A) Law
B) Theory
C) Hypothesis
D) Experiment
E) Test
ANS: A
Diff: 2 Page Ref:Sec. 1.3

8) A separation process that depends on differing abilities of substances to form gases is called .
A) Filtration
B) Solvation




Guru
C) Distillation
D) Chromatography
E) All of the above are
correct ANS: C
Diff: 3 Page Ref:Sec. 1.3

9) The SI unit for mass is .
A) Kilogram
B) Gram
C) Pound
D) Troy
ounce
E) None of the
above ANS: A
Diff: 1 Page Ref:Sec. 1.4

10) A one degree of temperature difference is the smallest on the temperature scale.
A) Kelvin
B) Celsius
C) Fahrenheit
D) Kelvin and Celsius
E) Fahrenheit and Celsius
ANS: C
Diff: 3 Page Ref:Sec. 1.4

11) A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is ?
A) Km/hr
B) Km/s
C) M/hr
D) M/s
E) Cm/s
ANS: D
Diff: 3 Page Ref:Sec. 1.4




2

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12) The unit of force in the English measurement system is . The SI unit of force is the Newton, which is
S2
In base SI units.
G • cm
A) S2
Kg • m
B) Hr2
Kg • m
C) S2
G•m
D) S2
G • cm
E) S
ANS: C
Diff: 4 Page Ref:Sec. 1.4

13) Momentum is defined as the product of mass and velocity. The SI unit for momentum is ?
KgS• m
A)
Kg • m
B) Hr
G•m
C) S
G • km
D) S
Kg • km
E) Hr
ANS: A


Diff: 4 Page Ref:Sec. 1.4

14) The SI unit of temperature is .
A) K
B) °C
C) °F
D) T
E) T
ANS: A
Diff: 2 Page Ref:Sec. 1.4

15) The temperature of 25°C is in Kelvins.
A) 103
B) 138
C) 166
D) 248
E) 298
ANS: E
Diff: 1 Page Ref:Sec. 1.4




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