ph
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What does a higher number on the pH scale indicate?
Back
A higher number on the pH scale indicates a base.
2.
FLASHCARD QUESTION
Front
What is the pH of a neutral substance?
Back
The pH of a neutral substance is 7.
3.
FLASHCARD QUESTION
Front
What is an acid in terms of pH?
Back
An acid is a substance with a pH less than 7.
4.
FLASHCARD QUESTION
Front
What is a base in terms of pH?
Back
A base is a substance with a pH greater than 7.
5.
FLASHCARD QUESTION
Front
What is the relationship between H+ and OH- concentrations in a base?
Back
In a base, the concentration of OH- is greater than the concentration of H+.
6.
FLASHCARD QUESTION
Front
What is the pH range for acids?
Back
The pH range for acids is 0 to 6.
7.
FLASHCARD QUESTION
Front
What is the pH range for bases?
Back
The pH range for bases is 8 to 14.
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