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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 ChoiceWhat is another name for a base?AcidAlkalinepH
- 3. Multiple Choice
Which of the following is an acid?
vinegar
bleach
sugar in water
starch in water
toothpaste in water
- 4. Multiple Choice
The pH value of an acid represents its __________ of positive ions in the solution
amount
concentration
color
charge
- 5. Multiple Choice
An acid is a solution that contains __________ ions dissolved in water.
positive
negative
- 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
The higher the concentration of negative (hydroxide) ions in the solution, the stronger the base is.
True
False
- 8. Multiple Choice
All bases have a sour taste.
True
False
- 9. Multiple Choice
Which of the following pH values represents a base?
2.1
4.6
6.8
8.1
- 10. Multiple Choice
Bases turn blue litmus paper red.
True
False
- 11. Multiple Choice
Which type of acid/bases dissociate completely?
strong
weak
- 12. Multiple Choice
What type of substance partially dissociates in water?
Strong acids and bases
Weak acids and bases
Neither acids nor bases
Neutral substances
- Answer choicesTagsAnswer choicesTags