pH
pH less than 7........
acids
How do indicators indicate? (What changes?)
Their color
Titration is a method to neutralize solutions
true or false?
true
Has a bitter taste
Base
Neutral
The neutralization is characterized by a color change of one of these.
Has sour taste
acid
As the pH goes from 7 to 0, do acids get stronger or weaker?
Stronger
Which would turn phenolphthalein pink?
A base
You knew the titration was complete when what happened?
The indicator turned pink
Dissociate completetely in water
a.) acid
b.) bases
c.) both (acids and bases)
c.) Acids and Bases
What has a lower pH - lemon juice or soap?
Lemon juice
Bases turn litmus paper __________________
a.) red
b.) blue
blue
Which of the following is an acid?
a.) Na Br
b.) HSO4
c.) KOH
HSO4
Name two ways to raise the pH of a strong acid.
Dilute with water or add a base
What would be the pH range of a substance that turned bromthymol blue to green?
6.0 to 7.6
The more base needed to neutralize an acid the _____________ the acid is.
Which of the following is an example of a Base?
a.) Na Br
b.) HSO4
c.) KOH
KOH