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- 1. 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
- 2. Multiple Choice
Which of these pH values represent an acid?
4
8
10
12
- 3. Multiple Choice
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
- 4. Multiple Choice
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
- 5. Multiple Choice
Which of the following is a property of a base?
bitter taste
reacts with metals
salty
sour taste
- 6. Multiple Choice
Bases have many uses. They are mainly used to make
cleaning products
soaps
concrete
all of the answer choices
- 7. Multiple Choice
All bases have a sour taste.
True
False
- 8. Multiple Choice
Which of the following pH values represents a base?
2.1
4.6
6.8
8.1
- 9. Multiple Choice
The strongest bases have pH values close to
0
14
7
5
- 10. Multiple Choice
Which of the following is a base?
baking soda in water
orange juice
vinegar
lemonade
- 11. Multiple Choice
If the substance is neutral, what would the pH be?11
3
5
7
9
11
- 12. Multiple ChoiceIf an acid is combined with a base of equal strength, the result will most likely bea neutral solution.a stronger acid.impossible to tell without testing the pH.a stronger base
- 13. Multiple ChoiceWhich of the following is a base?orange juicewatervinegardishwashing detergent
- 14. Multiple ChoicePure water has a pH of 7. Pure water _______.is a baseis a neutral substancecould be either an acid or a baseis an acid
- 15. Multiple ChoiceWhich is the stronger acid?pH 1pH 4pH 8pH 13
- Answer choicesTagsAnswer choicesTags