BIO 1 - PH, Acids, Bases, Buffers: Question Preview (ID: 32156)


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The pH scale measures the concentration of
a) hydroxide (OH-) in solution b) hydrogen (H+) ions in solution c) d)
A solution that is an acid will have a pH
a) less than 7 b) equal to 7 c) more than 7 d)
A solution that is a base will have a pH
a) less than 7 b) equal to 7 c) more than 7 d)
An acid is any compound that releases ______ in solution.
a) hydrogen (H+) ions b) hydroxide (OH-) ions c) d)
A base is any compound that releases _________ in solution.
a) hydrogen (H+) ions b) hydroxide (OH-) ions c) d)
A base has more ________ than _________ is solution.
a) hydrogen (H+) ions, hydroxide (OH-) ions b) hydroxide (OH-) ions, hydrogen (H+) ions c) d)
The lower the pH the more _________ in solution.
a) hydrogen (H+) ions b) hydroxide (OH-) ions c) d)
An acid has more _______ than _______ in solution.
a) hydrogen (H+) ions, hydroxide (OH-) ions b) hydroxide (OH-) ions, hydrogen (H+) ions c) d)
The higher the pH the more _________ in solution.
a) hydrogen (H+) ions b) hydroxide (OH-) ions c) d)
A biological substance that resists sudden changes in pH is a(n)
a) acid b) base c) buffer d)
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