What is pH?
pH acids and bases

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•
Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
pH is a scale that measures how acidic or basic a substance is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
2.
FLASHCARD QUESTION
Front
What does a pH of 1 indicate?
Back
A pH of 1 indicates a very strong acid.
3.
FLASHCARD QUESTION
Front
What does a pH of 7 indicate?
Back
A pH of 7 indicates a neutral substance, neither acidic nor basic.
4.
FLASHCARD QUESTION
Front
What does a pH of 14 indicate?
Back
A pH of 14 indicates a very strong base.
5.
FLASHCARD QUESTION
Front
What is an acid?
Back
An acid is a substance that donates protons (H+) in a solution and has a pH less than 7.
6.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts protons (H+) in a solution and has a pH greater than 7.
7.
FLASHCARD QUESTION
Front
What is the pH range for acids?
Back
The pH range for acids is from 0 to 6.
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