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Chapter 19 Acids And Bases
Test Description: Acid and base interaction
Instructions: Answer all questions to get your test result.
1) In the titration of a strong base with a strong acid, the equivalence point will have a pH of about
A
3
B
9
C
5
D
7
2) The indicator chosen for the titration of a weak acid with a strong base should change color at a(n)
A
acidic pH.
B
neutral pH.
C
pH of zero.
D
basic pH.
3) The point at which an indictor changes color during a titration is called the
A
neutral point.
B
equivalence point
C
end point.
D
change point.
4) Choice of an indicator for an acid-base titration is least critical for the titratin of a
A
weak acid with a weak base.
B
strong acid with a weak base.
C
strong acid with a strong base.
D
weak acid with a strong base.
5) What happens at the equivalence point in a titration?
A
There is an equal amount of acid and base.
B
the indicator is most colorful.
C
the pH of the solution is 7.
D
The unknown solution is completely neutralized.
6) In a titration, 30. mL of .25M NaOH will neutralize 50. mL of HCl. What is the concentration of the HCl?
A
.67 M
B
.15 M
C
.0425 M
D
There is not enough information.
7) Who is president of the United States of America?
A
Barak Hussein Obama
B
Nancy Pelosi
C
Hillary Rodham Clinton?
D
George W. Bush
8) Who is administrator of Troy Christian Schools?
A
Jeanne Ward
B
Steve Peterson
C
Gail Douglas
D
Gary Wilbur
9) Which of the following is a weak acid?
A
acetic acid (HC2H3O2)
B
hydrochloric acid (HCl)
C
hydrofluoric acid (HF)
D
sulfuric acid (H2SO4)
10) The most common weak base is
A
NH3 (ammonia)
B
Ca(OH)2
C
NaOH
D
KOH
*select an answer for all questions
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