Chemistry Concepts and Applications

Chapter 14: Acids, Bases, and pH

Standardized Test Practice

1
Which strong acid shown in the table is a diprotic acid?

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A)perchloric acid
B)sulfuric acid
C)hydrochloric acid
D)hydrobromic acid
2
Formic acid is considered a weak acid because it __________.

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A)does not dissociate completely.
B)is always dilute
C)contains two hydrogen atoms
D)cannot form hydrogen bonds.
3
With a pH of 6.4, coffee is considered __________

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A)slightly acidic
B)highly acidic
C)slightly basic
D)highly basic
4
This substance is usually the top industrial chemical produced in the United States.
A)ammonia
B)chlorine
C)sodium hydroxide
D)sulfuric acid
5
Acids react with active metals to produce __________.
A)chlorine
B)hydrogen
C)oxygen
D)sulfur
6
A base is a substance that produces __________ ions when it dissolves in water.
A)hydroxide
B)hydronium
C)carbonate
D)sodium
7
HC2H3O2 is a __________ acid.
A)diprotic
B)monoprotic
C)quadprotic
D)strong
8
__________ allow you to determine the approximate pH of a solution.
A)acid-base indicators
B)beakers
C)anhydrides
D)equations
9
Oxides of this element are usually involved in producing acid rain.
A)boron
B)bromine
C)sodium
D)sulfur
10
Which of these is formed when ammonia ionizes in water?
A)NH4+
B)NH2-
C)H3O+
D)N3-
11
Compared to strong acids, weak acids produce __________ ions and conduct electricity __________ efficiently.
A)fewer, more
B)fewer, less
C)more, more
D)more, less
12
A pH 13 solution is __________ times more basic than a pH 9 solution.
A)10
B)100
C)1000
D)10,000
13
A pH of 7 is considered to be __________.
A)highly basic
B)neutral
C)slightly basic
D)slightly acidic
14
What is the formula for the strong base calcium hydroxide?
A)CaOH
B)Ca(OH)2
C)Ca(OH)3
D)Ca2OH
15
Strong bases are more __________ than weak bases.
A)dense
B)highly ionized
C)nonmetallic
D)molecular
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