Physical Science, New York Edition

Chapter 23: Acids, Bases, and Salts

Standardized Test Practice

1.
The pH of a concentrated solution of table salt (sodium chloride) in pure water at 25°C is _______.
A)1
B)10
C)8
D)7
2.
Which of these solutions contains a weak acid?

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A)Y
B)W
C)X
D)Z
3.
Which of these acids might be vinegar?

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A)W
B)X
C)Y
D)Z
4.
Which of these acids could be hydrogen chloride?

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A)X or Z
B)X only
C)Y only
D)X, Y, or Z
5.
The ions of which of these metals could be present in water that is considered soft water?
A)calcium
B)potassium
C)iron
D)magnesium
6.
An unknown substance dissolves easily in water, and turns litmus paper pink. The substance is most likely a(n) _______.
A)base
B)ester
C)salt
D)acid
7.
Which chemical formula shows an ion characteristic of an acid solution?
A)OH-
B)H2O+
C)H3O+
D)H3O-
8.
This is the titration curve of an acid solution with a strong base solution. How many drops were required to react with all of the acid in the solution?

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A)50
B)48
C)75
D)100
9.
This is the titration curve of an acid solution with a strong base solution. When the pH is exactly 7, what is in the beaker besides water?

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A)acid
B)base
C)salt
D)equal amounts of acid and base
10.
A solution of which of these substances could be used to titrate an acetic acid solution?
A)ammonia
B)potassium nitrate
C)citric acid
D)hydrogen bromide
Physical Science - New York Edition
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