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11 questions
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- 1. Multiple Choice
NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?
Acid
Base
Neither (Neutral)
- 2. Multiple Choice
HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?
Acid
Base
Neither (Neutral)
- 3. Multiple Choice
Stronger acids have a pH closer to...
7
0
14
9
- 4. Multiple Choice
A pH level of 7 indicates
acid
base
neutral
none of the following
- 5. Multiple Choice
Ammonia has a pH of 11. Ammonia is __________.
an acid
a base
an element
a metal
- 6. Multiple ChoiceWhat color does litmus paper turn in the presence of an acid?blueblackgreenred
- 7. Multiple Choice
According to the pH scale, which item is more acidic than lemons?
battery
vinegar
milk
blood
- 8. Multiple Choice
According to the pH scale, which item is a stronger base than soap?
baking soda
ammonia solution
tomato
bleach
- 9. Multiple Choice
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
- 10. Multiple Choice
What is the pH of a solution where the [H+] is 1.0 x 10-11?
11
13
14
1
- 11. Multiple Choice
What is the [H+] if the pH is 4.0?
1.0 x 10-10 M
1.0 x 10-4 M
1.0 x 10-14 M
1.0 x 10-7 M
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