
pH, Buffers
Quiz
•
Biology
•
9th - 10th Grade
•
Hard
Standards-aligned
Matthew Foronda
Used 8+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An acid has a pH
higher than 7
lower than 7
7
greater than 14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a base has a pH of
lower than 7
higher than 7
7
it only has a pOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the more H+ ions the
stronger the acid
weaker the acid
it neutralizes
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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.
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adding more H+ ions to water will...
Lower the pH (increase acidity)
Increase the pH (lower acidity)
Not affect the pH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is our body able to maintain a consistent pH (acidity level) even when the food we consume can be very acidic?
Buffers in our body resist a change in pH
Our diets naturally have a constant pH
Water is resistant to a change in pH
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lemon juice (low pH, very acidic) is added to both a cup of water (pH = 7) and a buffered solution (pH = 7). What do you predict will happen?
Both water and buffer solution pH will drop dramatically
Only water pH will drop
Only buffer solution pH will drop
Neither solution's pH will drop
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