2574243
Frage 1
Frage
Acid rain is created when acidic substances, such as sulfur dioxide, are released into and mix with the atmosphere.
Antworten
- True
- False
Frage 2
Frage
Acids have a pH of
Antworten
-
less than 7
-
more than 7
-
4 or less
-
no more than 1
Frage 3
Frage
Distilled water has a pH of 7. Therefore, on the pH scale, water is
Antworten
-
strongly basic.
-
mildly acidic.
-
neutral.
-
alkaline.
Frage 4
Frage
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.
Antworten
-
conjugate formula
-
buffer solution
-
basic indicator
-
(none of the above)
Frage 5
Frage
__________ 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).
Antworten
-
Titration
-
Burette
-
Buffer testing
-
Indication
Frage 6
Frage
Buffers work because they dissociate so completely in water, they acidify the substance, offsetting the addition of any bases.
Antworten
- True
- False
Frage 7
Frage
To create a buffer in an acidic substance, you should add a conjugate base. This forms an acid-base pair.
Antworten
- True
- False
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.