1. Diagram the pH scale 9 8 10 20 30 7 5 2 3 4
180 6 40
130
140 50
120 70 60 1
160
170
110
150 80
100 90
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3. Define:
Acid
Base 9 10 20 40 30 8 6 2 3 4 5 7 50 60
140
180
120
130 70
170 1
160
150
100
110 90 80
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4. Acid: A solution that has an excess of H+ ions.
Base: A solution that has an excess of OH- ions. Another word for base is alkali.

5. What is the purpose of the pH scale?9 8 10 20 30 7 5 2 3 4
180 6 40
130
140 50
120 70 60 1
160
170
110
150 80
100 90
Seconds Remaining:

6. to measure how acidic or basic a liquid is.