
Acid Base Buffers
Authored by Lisa Thompson
Science
University
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the value of 7 on the pH scale indicate?
Acid
Base
Neutral
None of the above
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the charge of acids ion?
H+
OH-
H-
OH+
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the charge of the base ion?
H+
H-
OH+
OH-
4.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
A(n) ______ is a substance with a pH less than 7
Acid
Alkaline
Base
Buffer
5.
MULTIPLE CHOICE QUESTION
1 min • 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
6.
MULTIPLE CHOICE QUESTION
1 min • 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
Answer explanation
Buffers are solutions that resist changes in pH
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Another name for an alkaline substance is a(n) ________.
Acid
Base
Covalent bond
Solution
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