15 questions
Which of these pH values represent an acid?
4
8
10
12
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
Which of the following is an acid?
vinegar
bleach
sugar in water
starch in water
toothpaste in water
An acid is a solution that contains __________ ions dissolved in water.
positive
negative
Which of the following is a property of a base?
bitter taste
reacts with metals
salty
sour taste
The higher the concentration of negative (hydroxide) ions in the solution, the stronger the base is.
True
False
Which of the following pH values represents a base?
2.1
4.6
6.8
8.1
The strongest bases have pH values close to
0
14
7
5
Ocean water is only slightly basic. What might its pH value be?
5
8
12
2
If the substance is neutral, what would the pH be?11
3
5
7
9
11