What is the pH scale?
Enzyme Review Flashcard

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Biology
•
9th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The pH scale measures the acidity or basicity of a solution, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
2.
FLASHCARD QUESTION
Front
What does a pH of 3 indicate about a solution?
Back
A pH of 3 indicates a highly acidic solution with a high concentration of hydrogen ions (H+).
3.
FLASHCARD QUESTION
Front
What does a pH of 10 indicate about a solution?
Back
A pH of 10 indicates a basic solution with a lower concentration of hydrogen ions (H+) and a higher concentration of hydroxide ions (OH-).
4.
FLASHCARD QUESTION
Front
What are hydroxide ions (OH-)?
Back
Hydroxide ions (OH-) are negatively charged ions that indicate the basicity of a solution; higher concentrations of OH- result in higher pH values.
5.
FLASHCARD QUESTION
Front
What are hydrogen ions (H+)?
Back
Hydrogen ions (H+) are positively charged ions that indicate the acidity of a solution; higher concentrations of H+ result in lower pH values.
6.
FLASHCARD QUESTION
Front
Where are acids found on the pH scale?
Back
Acids are found below 7 on the pH scale.
7.
FLASHCARD QUESTION
Front
Where are bases found on the pH scale?
Back
Bases are found above 7 on the pH scale.
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