1. (8th) Chapter 7-3 Cornell Notes
“Describing Acids and Bases”

2. (8th) Chapter 7-3 Cornell Notes
Key Questions
Where are acids and
bases commonly used?
What are the properties of acids and bases?

3. (8th) Chapter 7-3 Cornell Notes
Key Terms
acid-
corrosive-
indicator-
base-
Key Terms

4. (8th) Chapter 7-3 Cornell Notes
511 × 511 - en.wikipedia.org
Paragraph 1
Acids:
tastes sour;
reacts with metals & carbonates;
turns blue litmus paper red;
can produce H gas w/ certain metals;
“corrosive”: wears away other materials;
reacts w/ carbonates to produce CO2 gas.

5. (8th) Chapter 7-3 Cornell Notes
511 × 511 - en.wikipedia.org
Paragraph 2
indicator:
compound that changes color when contacts acid or base;
litmus paper example;
best/easiest choice.

6. (8th) Chapter 7-3 Cornell Notes
511 × 511 - en.wikipedia.org
Paragraph 3
Bases:
tastes bitter;
feels slippery;
turns red litmus paper
blue;
Note: (as in acids) bases
best tested w/ litmus paper.

7. (8th) Chapter 7-3 Cornell Notes
511 × 511 - en.wikipedia.org
(8th) Chapter 7-3 Cornell Notes
Paragraph 4
acids and bases commonly found;
acids found in fruits/other foods;
acids important uses in the body;
acids/bases commonly used in household/industry;
one use of a base is reacting w/ acids.