Test Bank for General Chemistry: The Essential Concept 7th Edition by Raymond Chang, Kenneth Goldsby
12 views 0 purchase
Course
General Chemistry
Institution
General Chemistry
Book
General Chemistry: The Essential Concepts
Test Bank for General Chemistry: The Essential Concept 7th Edition by Raymond Chang, Kenneth Goldsby. Table of Contents: 1 Introduction 2 Atoms, Molecules, and Ions 3 Stoichiometry 4 Reactions in Aqueous Solutions 5 Gases 6 Energy Relationships in Chemical Reactions 7 The Electronic Structure of At...
Test Bank For General Chemistry The Essential Concept 7Th Edition Raymond By Chang
Test Bank For General Chemistry The Essential Concept 7Th Edition Raymond By Chang
General Chemistry The Essential Concept 7Th Edition Raymond By Chang - Test Bank
All for this textbook (23)
Written for
General Chemistry
General Chemistry
General Chemistry
All documents for this subject (384)
Seller
Follow
DreamAchievers
Reviews received
Content preview
TEST BANK
R
U
SE
IS
O
N
N
O
C
ED
M
, Chapter 01: Introduction
1. A tentative explanation for a set of observations that can be tested by further
experimentation is referred to as
A) a hypothesis. B) a law. C) a theory. D) none of the above.
M
Ans: A Category: Easy Section: 1.2
2. A concise verbal or mathematical statement of a relationship between phenomena that is
always the same under the same conditions is referred to as
ED
A) a hypothesis. B) a law. C) a theory. D) none of the above.
Ans: B Category: Easy Section: 1.2
3. A unifying principle that explains a body of facts and relations is referred to as
A) a hypothesis. B) a law. C) a theory. D) none of the above.
C
Ans: C Category: Easy Section: 1.2
4. Complete the following sentence. A hypothesis is
O
A) a tentative explanation for a set of observations that can be tested by further
experimentation.
B) a statement describing a relationship between phenomena that is always the same
N
under the same conditions.
C) a unifying principle that explains a body of facts and relations.
D) a model used to visualize the invisible.
N
Ans: A Category: Easy Section: 1.2
5. Complete the following sentence. A scientific law is
O
A) a tentative explanation for a set of observations that can be tested by further
experimentation.
B) a statement describing a relationship between phenomena that is always the same
IS
under the same conditions.
C) a unifying principle that explains a body of facts and relations.
D) a model used to visualize the invisible.
Ans: B Category: Easy Section: 1.2
SE
6. Complete the following sentence. A theory is
A) a tentative explanation for a set of observations that can be tested by further
experimentation.
B) a statement describing a relationship between phenomena that is always the same
under the same conditions.
U
C) a unifying principle that explains a body of facts and relations.
D) a model used to visualize the invisible.
Ans: C Category: Easy Section: 1.2
R
Page 1
, Chapter 01: Introduction
7. Choose the response that includes all the items listed below that are pure substances.
i. orange juice ii. steam iii. ocean water iv. oxygen v. vegetable soup
A) i, iii, v B) ii, iv C) i, iii, iv D) iv only E) all of them are pure
Ans: B Category: Easy Section: 1.2
8. Which of the following is an example of a physical property?
M
A) corrosiveness of sulfuric acid
B) toxicity of cyanide
C) flammability of gasoline
ED
D) neutralization of stomach acid with an antacid
E) lead becomes a liquid when heated to 601C
Ans: E Category: Easy Section: 1.4
9. Which one of the following is an example of a physical property?
A) dynamite explodes D) ice floats on top of liquid water
C
B) meat rots if it is not refrigerated E) a silver platter tarnishes
C) gasoline burns
Ans: D Category: Easy Section: 1.4
O
10. Which one of the following represents a physical change?
A) water, when heated to 100C, forms steam
N
B) bleach turns hair yellow
C) sugar, when heated, becomes brown
D) milk turns sour
N
E) apples, when exposed to air, turn brown
Ans: A Category: Easy Section: 1.4
O
11. All of the following are properties of sodium. Which one is a physical property of
sodium?
A) It is a surface turns black when first exposed to air.
IS
B) It is a solid at 25C and changes to a liquid when heated to 98C.
C) When placed in water it sizzles and a gas is formed.
D) When placed in contact with chlorine it forms a compound that melts at 801C.
E) Sodium is never found as the pure metal in nature.
SE
Ans: B Category: Easy Section: 1.4
12. All of the following are properties of tin. Which one is a chemical property of tin?
A) Tin can be hammered into a thin sheet.
B) At –40C a sheet of tin crumbles to a gray powder.
U
C) Tin melts at 231.9C.
D) When a bar of tin is bent, it emits an audible “cry”.
E) Tin erodes when added to hydrochloric acid, and a clear gas forms.
R
Ans: E Category: Medium Section: 1.4
Page 2
, Chapter 01: Introduction
13. Which one of the following represents a chemical change?
A) boiling water to form steam
B) burning a piece of coal
C) heating lead until it melts
D) mixing iron filings and sand at room temperature
E) breaking glass
M
Ans: B Category: Medium Section: 1.4
14. Which of the following does not represent a chemical change?
ED
A) a freshly cut apple turns brown
B) milk turns sour on standing at room temperature
C) when cooled to 0C, liquid water becomes ice
D) frying an egg
E) fermentation of sugar to alcohol
Ans: C Category: Easy Section: 1.4
C
15. The SI prefixes nano and deci represent, respectively:
A) 10– 9 and 10– 6. D) 109 and 10– 6.
O
6 –3
B) 10 and 10 . E) 10– 9 and 10– 1.
C) 103 and 10– 3.
Ans: E Category: Easy Section: 1.7
N
16. The SI prefixes milli and mega represent, respectively:
A) 106 and 10– 6. D) 10– 3 and 109.
N
B) 10– 3 and 106. E) 10– 6 and 10– 3.
3 –6
C) 10 and 10 .
Ans: B Category: Easy Section: 1.7
O
17. The SI prefixes kilo and centi represent, respectively:
A) 103 and 10– 2. D) 10– 6 and 102.
IS
B) 106 and 10– 1. E) 102 and 10– 3.
–3 –2
C) 10 and 10 .
Ans: A Category: Easy Section: 1.7
SE
18. A nanometer corresponds to:
A) 10– 2 meters. D) 10– 9 meters.
–3
B) 10 meters. E) 10– 12 meters.
C) 10– 6 meters.
Ans: D Category: Easy Section: 1.7
U
19. A microliter corresponds to:
A) 10– 2 liters. B) 10– 3 liters. C) 10– 6 liters. D) 10– 9 liters. E) 10– 12 liters.
R
Ans: C Category: Easy Section: 1.7
Page 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller DreamAchievers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $19.99. You're not tied to anything after your purchase.
