1. Describing acids and bases
Chapter 3 section 3

2. Key concepts What are the properties of acids and bases?
Where are acids and bases commonly used?

3. Key terms
Acid
Corrosive
Indicator
bases

4. Properties of acids
An acid is a substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red.
Taste sour.
Never use this to test acids.
Reacts with metals
Corrosive: acids eat away at metals.
Used in metal etching
Reacts with carbonates
Geologist use this feature to test the carbonate ions in limestone.
The reaction produces CO2
Reacts with indicators
Indicators: a compound that changes color when in contact with an acid or base.

5. Properties of bases
A base is a substance that tastes bitter, feels slippery, and turns red litmus paper blue.
The opposite of acids.
Bitter taste
Soaps, shampoos, detergents (again, do not use this as a test for bases)
Feel slippery
Reacts with indicators

6. Uses of acids and bases
Acids and bases have many uses around the home and in industry.
Morter and cement
Home cleaners
Baking and cooking