Test Bank For Chemistry The Central Science 14th Edition Brown
21 views 0 purchase
Course
Chemistry - Test Bank
Institution
Chemistry - Test Bank
Chemistry: The Central Science, 14e (Brown, et al.)
Chapter 3 Chemical Reactions and Reaction Stoichiometry
3.1 Multiple-Choice Questions
1) When the following equation is balanced, the coefficients are ________.
C8H18 + O2 → CO2 + H2O
A) 2, 3, 4, 4
B) 1, 4, 8, 9
C) 2, 12, 8,...
,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
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: 1.1
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: 1.1
GO: G2
,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 is identified by the chemical symbol, Al?
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 separated into its components by simple techniques such
as filtering or decanting?
A) heterogeneous mixture
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
, 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: 1.1
GO: G2
10) If matter is uniform throughout and cannot be separated into other substances by physical
means, it 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: 1.1
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
Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2
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 ExamsExpert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $30.04. You're not tied to anything after your purchase.
