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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