Acids and Bases: pH scale
Flashcard
•
Science
•
7th - 9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are acids?
Back
Substances that donate protons (H+ ions) in a chemical reaction.
2.
FLASHCARD QUESTION
Front
What are bases?
Back
Substances that accept protons (H+ ions) or donate hydroxide ions (OH- ions) in a chemical reaction.
3.
FLASHCARD QUESTION
Front
What is the pH scale?
Back
A scale that measures how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
4.
FLASHCARD QUESTION
Front
What is a neutral solution?
Back
A solution with a pH of 7, indicating it is neither acidic nor basic.
5.
FLASHCARD QUESTION
Front
What happens to the pH of a solution when an acid is added?
Back
The pH decreases, making the solution more acidic.
6.
FLASHCARD QUESTION
Front
What happens to the pH of a solution when a base is added?
Back
The pH increases, making the solution more basic.
7.
FLASHCARD QUESTION
Front
What is an example of a strong acid?
Back
Hydrochloric acid (HCl).
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