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15 questions
Which of the following is a characteristic of a base?
bitter
sour
corrosive
releases hydrogen ions in water
A substance with a pH of 8 is...
a weak base
a weak acid
a strong base
a strong acid
An acid can be corrosive.
True
False
Which pH has the most hydrogen ions (H+)?
2
7
10
13
As the number of hydrogen ions (H+) decreases, the pH ___________.
increases
decreases
stays the same
Which of the following are properties of acids?
They conduct electricity when dissolved in water
They taste sour
They react with metals to produce hydrogen gas
All of the answer choices are correct
If the substance is neutral, what would the pH be?
3
5
7
9
11
Which of the following pH values represents a base?
2.1
4.6
6.8
8.1
Which is the stronger acid?
pH 1
pH 4
pH 8
pH 13
Which of the following is a base?
baking soda in water
orange juice
vinegar
lemonade
The strongest bases have pH values close to
0
14
7
5
If an acid is combined with a base of equal strength, the result will most likely be
a neutral solution.
a stronger acid.
impossible to tell without testing the pH.
a stronger base
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
A substance is found to have the following characteristics:
Very bitter taste
Feels slippery to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
base
enzyme
fatty acid
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