The pH Scale Flashcards
1
Q
Any atom that dissociates to form H+ ions when dissolved in water is an ______
A
Acid
2
Q
Any substance that combines with H+ ions is a ______
A
Base
3
Q
What does the pH scale give?
A
A value according to the number of hydrogen ions present in a liter
4
Q
Low pH indicates?
A
High concentration of H+
5
Q
High pH indicates?
A
Low concentration of H-
6
Q
A value of 7 on the scale means?
A
pH is neutral
7
Q
A value below 7 on the scale means?
A
It is an acid
8
Q
A value above 7 on the scale means?
A
It is a base
