Test Bank for Petrucci's General Chemistry, 12th Edition by Ralph H. Petrucci
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Course
General Chemistry
Institution
General Chemistry
Test Bank for Petrucci's General Chemistry: Modern Principles and Applications, 12th edition 12e by Ralph H. Petrucci, F Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette.
Full Chapters test bank are included (Chap 1 to 28) - Answers included
Matter: Its Properties and Measurement
Atoms ...
Test Bank for Petrucci's General Chemistry 12e Petrucci
All Chapters are included Chap 1 to 28
Petrucci’s General Chemistry, 12e
Chapter 1 Matter: Its Properties and Measurement
1) A theory is a model used to explain natural laws and make predictions about natural phenomena.
Answer: TRUE
Diff: 1 Type: TF Var: 1
Reference: Section 1-1
2) The scientific method is used to make theories that can no longer be changed.
Answer: FALSE
Diff: 1 Type: TF Var: 1
Reference: Section 1-1
3) The composition refers to the components of a sample of matter and their relative proportions.
Answer: TRUE
Diff: 1 Type: TF Var: 1
Reference: Section 1-2
4) A physical property is the ability of a sample of matter to undergo a change in composition under
certain conditions.
Answer: FALSE
Diff: 2 Type: TF Var: 1
Reference: Section 1-2
5) On a very cold day in Alaska, the temperature was -40 °F. The temperature in Celsius on the same day
was also -40 °C.
Answer: TRUE
Diff: 2 Type: TF Var: 1
Reference: Section 1-4
6) A homogeneous mixture has regions that are different in composition or phase.
Answer: FALSE
Diff: 2 Type: TF Var: 1
Reference: Section 1-3
7) The SI unit of mass is 1 gram.
Answer: FALSE
Diff: 3 Type: TF Var: 1
Reference: Section 1-4
8) An intensive property is dependent of the amount of matter observed.
Answer: FALSE
Diff: 2 Type: TF Var: 1
Reference: Section 1-5
9) Several values close together guarantee good accuracy.
Answer: FALSE
Diff: 2 Type: TF Var: 1
Reference: Section 1-6
1
, 10) Systematic errors are consequence of inherent errors in measuring devices.
Answer: TRUE
Diff: 2 Type: TF Var: 1
Reference: Section 1-6
11) The result of addition can have more significant figures than any of the numbers added.
Answer: TRUE
Diff: 2 Type: TF Var: 1
Reference: Section 1-7
12) Which statement is INCORRECT?
A) Natural laws are concise statements about natural phenomena.
B) Induction is to infer a set of naturals laws from a set of observations.
C) The key to the scientific method is valid assumptions.
D) A hypothesis is a tentative explanation of a natural law.
E) A pattern of thinking is known as a paradigm.
Answer: C
Diff: 1 Type: MC Var: 1
Reference: Section 1-1
13) A model that explains and makes predictions about natural phenomena is referred to as a:
A) natural law
B) hypothesis
C) theory
D) generalization
E) deduction
Answer: C
Diff: 1 Type: MC Var: 1
Reference: Section 1-1
14) The scientific method involves:
I) observations
II) generalizations
III) experiments
IV) deduction
V) induction
A) I, III, IV
B) I, II, III
C) I, II, III, IV
D) I, II, III, V
E) I, III, V
Answer: D
Diff: 2 Type: MC Var: 1
Reference: Section 1-1
2
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