Acids, Bases and pH Scale
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the pH scale?
Back
The pH scale is a measure of how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
2.
FLASHCARD QUESTION
Front
What is an acid?
Back
An acid is a substance that donates hydrogen ions (H+) when dissolved in water, resulting in an increase in hydronium ion concentration.
3.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts hydrogen ions (H+) or donates hydroxide ions (OH-) in a solution, resulting in a decrease in hydronium ion concentration.
4.
FLASHCARD QUESTION
Front
What is the relationship between pH and hydronium ion concentration?
Back
As the concentration of hydronium ions (H3O+) increases, the pH value decreases, indicating a more acidic solution.
5.
FLASHCARD QUESTION
Front
What pH value indicates a neutral solution?
Back
A pH value of 7 indicates a neutral solution.
6.
FLASHCARD QUESTION
Front
What pH range is considered acidic?
Back
A pH range of 0 to 6.9 is considered acidic.
7.
FLASHCARD QUESTION
Front
What pH range is considered basic?
Back
A pH range of 7.1 to 14 is considered basic.
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