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Acids And Bases
Test Description: Acids and bases and the pH scale is addressed.
Instructions: Answer all questions to get your test result.
1) The higher the number on the pH scale, the more ____ the solution.
A
neutral
B
buffered
C
acidic
D
basic
2) If a solution has a pH reading of 2, it is a(n)
A
buffer
B
acid
C
neutral
D
base
3) Blood has a pH of approximately 7.4 , therefore it is
A
acidic
B
slightly basic
C
basic
D
slightly acidic
4) Acid indigestion is often cured with an antacid that would have a pH of
A
higher than 8
B
none of these answers
C
about 7
D
lower than 6
5) If strong hydrochloric acid is dissolved in water, the resulting pH of the solution would be
A
at the end of the scale
B
greater than 7
C
seven
D
less than 7
6) A solution that contains lower concentrations of H ions than pure water is a(n)
A
buffered
B
basic
C
neutral
D
acidic
7) The lower the number on the pH scale, the more ____ the solution.
A
basic
B
neutral
C
buffered
D
acidic
8) A weak acid or base that prevents a strong reaction in a solution is a
A
antacid
B
buffer
C
acid
D
base
9) If the pH of the water in a stream drops below three
A
newborn fish will be unaffected
B
fish reproduction is impaired
C
adult fish will die
D
nothing will happen
10) Most rainwater is
A
slightly acidic
B
neutral
C
same as distilled water
D
slightly basic
*select an answer for all questions
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