Alexis B.
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Acids, bases, and buffers.

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Alexis B.
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Honors Chemistry Quiz, 2nd semester

Honors Chemistry Quiz, 2nd semester

Question 1 of 7

1

Acid rain is created when acidic substances, such as sulfur dioxide, are released into and mix with the atmosphere.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 7

1

Acids have a pH of

Select one of the following:

  • less than 7

  • more than 7

  • 4 or less

  • no more than 1

Explanation

Question 3 of 7

1

Distilled water has a pH of 7. Therefore, on the pH scale, water is

Select one of the following:

  • strongly basic.

  • mildly acidic.

  • neutral.

  • alkaline.

Explanation

Question 4 of 7

1

A _____________ resists changes in pH. It is composed of an acid-base pair, and can be used to "protect" other substances from changes in pH.

Select one of the following:

  • conjugate formula

  • buffer solution

  • basic indicator

  • (none of the above)

Explanation

Question 5 of 7

1

__________ is the process used to determine buffering capacity (how much of an acid or base has to be added before buffers are no longer effective).

Select one of the following:

  • Titration

  • Burette

  • Buffer testing

  • Indication

Explanation

Question 6 of 7

1

Buffers work because they dissociate so completely in water, they acidify the substance, offsetting the addition of any bases.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 7

1

To create a buffer in an acidic substance, you should add a conjugate base. This forms an acid-base pair.

Select one of the following:

  • True
  • False

Explanation

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