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- 1. Multiple Choice
An acid has a pH
higher than 7
lower than 7
7
greater than 14
- 2. Multiple Choice
the H in pH stands for
hood
happy
hydrogen
help
- 3. Multiple Choice
a base has a pH of
lower than 7
higher than 7
7
it only has a pOH
- 4. Multiple Choice
the more H+ ions the
stronger the acid
weaker the acid
it neutralizes
- 5. Multiple ChoiceHuman blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?strongly acidicslightly acidicstrongly basicslightly basic
- 6. Multiple ChoiceWhich of these pH values would indicate that a solution is a weak base?45.6813
- 7. Multiple ChoiceWhen dissolved in water, acids produce:basessaltshydrogen ionshydroxide ions
- 8. Multiple Choice
Buffer is defined asability to resist pH changeability to prevent pH from decreasingability to resist a pH increaseability to resist pH change when small amount of acid added - 9. Multiple Choice
What might happen if buffers did not exist within the human body?
Our blood and other bodily fluids might become too acidic or basic.
Our stomach acid would not be able to break down food.
We would not be able to process glucose within our cells.
We would not be able to inhale oxygen into our lungs.
- 10. Multiple ChoiceWhat kind of acid does not completely dissociate?weakstrongionicpH
- 11. Multiple ChoiceWater is ____, meaning it can be both and acid or a baseAmphotericAtmosphericAmphibiousAqueousAmplified
- 12. Multiple ChoiceThe pH scale is a range from:1-70-141-51-20
- 13. Multiple ChoiceComplete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.lowerhigherthe samenone of the above - 14. Multiple Choice
In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?
Both of the solution are Bases
Both of the solution are Acids
The Baking soda is an acid and the Bleach is a base
The baking soda is a base and the Bleach is an Acid.
- 15. Multiple Choice
The picture below shows the relative concentrations of H+ and OH- in a solution. Is the solution an acid or a base?
acid
base
- Answer choicesTagsAnswer choicesTags