Chemistry Concepts and Applications

Chapter 15: Acids and Bases React

Chapter Test Practice

1
Hyperventilation can cause the pH of blood to increase. What would be a reasonable blood pH of a patient who has just begun to hyperventilate?

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A)pH = 6.8
B)pH = 7.0
C)pH = 7.6
D)pH = 8.0
2
Based on the diagram, what can be said about the ionic salt NH4Cl?

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A)It dissolves in water.
B)It is positively charged.
C)It is negatively charged.
D)It does not exist.
3
What is the endpoint pH shown in the titration graph?

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A)pH = 10.8
B)pH = 8.8
C)pH = 6.8
D)pH = 4.8
4
Along with water, the compound produced in most acid-base reactions is __________.
A)barium oxide
B)carbon dioxide
C)a salt
D)sodium hydroxide
5
This is the formula for the spectator ion in the reaction between hydrobromic acid and ammonia.
A)Br-
B)HBr
C)NH3
D)H3O+
6
The gas phase reaction between HCl and NH3 does not require __________.
A)ions
B)hydrogen transfer
C)ammonia
D)water
7
A __________ is a substance that resists changes in pH when moderate amounts of acids or bases are added.
A)buffer
B)hydroxide
C)hydronium
D)spectator ion
8
Which of these compounds is NOT used in antacids?
A)KOH
B)Mg(OH)2
C)CaCO3
D)NaHCO3
9
One of the best acid-base indicators to use for a strong acid-strong base titration is __________.
A)bromothymol blue
B)phenolphthalein
C)methyl red
D)thymol blue
10
Acid-base reactions are usually __________ reactions.
A)combustion
B)decomposition
C)double-displacement
D)synthesis
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