acids and bases
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the pH scale?
Back
The pH scale measures 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.
Tags
NGSS.MS-PS1-1
3.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts hydrogen ions (H+) or releases hydroxide ions (OH-) in water.
4.
FLASHCARD QUESTION
Front
What is the pH of pure water?
Back
The pH of pure water is 7, which is considered neutral.
5.
FLASHCARD QUESTION
Front
What happens to the pH when an acid is added to water?
Back
The pH decreases, making the solution more acidic.
6.
FLASHCARD QUESTION
Front
What happens to the pH when a base is added to water?
Back
The pH increases, making the solution more basic.
7.
FLASHCARD QUESTION
Front
What is a characteristic of acids?
Back
Acids typically taste sour and can be corrosive.
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