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32 Terms
acids have excess __________ ions
Hydrogen (H+)
Bases have excess ________ ions
Hydroxide (OH+)
Acids range from
0-6.9
Bases range from
7.1-14
A Neutral pH is
7
An example of a neutral substance
water
An example of a strong acid
Lemon juice
An example of a strong base
Drain Cleaner
Most mild acids can be classified as a
beverage or consumable substance
Most bases can be classified as
cleaning products
Soda has a pH of
2.5
Milk has a pH of
6.5
Battery acid has a pH of
1
Hand Soap has a pH of
9
If I need to make an acid less strong I can
add water
If need to make a base stronger I can
evaporate water
On a pH scale acids are on the
left
On a pH scale the bases are on the
right
On a pH scale, neutral is in the
middle
pH refers to
the potential concentration of the hydrogen ions in a solution
Acids usually taste
sour
Bases usually taste
bitter
The color of strong acids on the pH scale are
Red
The color of weak acids on the pH scale are
yellow
The color of weak bases on the pH scale are
Green
The color of strong bases on the pH scale are
Purple
If you dilute a strong acid, it will become
weaker
If you make a base go from 13 to 14 it is now
stronger
Buffer
A solution that minimizes changes in pH when extra acids or bases are added to the solution.
indicator
A compound that changes color when in contact with an acid or a base
neutralization
A reaction between an acid and a base in which a salt is formed
Acid + Base -->
salt + water