https://www.youtube.com/watch?v=p
nPI3xF_WPs
ACIDS + BASES
Year 9 Chemistry
Properties of Acids
1. They taste sour
2. They have a pH less than 7
3. They turn blue litmus paper red
4. They react with metals
5. They neutralise bases
Properties of Bases
1. They taste bitter
2. They have a pH greater than 7
3. They turn red litmus paper blue
4. They feel slippery
5. They neutralise acids
Examples of Acids Worksheet
Name
Hydrochloric acid
Formula
Uses
HCl
Production of steel and batteries
Nitric acid
HNO3
Used to make fertilisers, plastics and
dyes
Sulfuric acid
H2SO4
Used to make medicine and other
acids.
Phosphoric acid
H3PO4
Essential in Dentistry and the sugar
and textile industries.
Alkaline
EXPERIMENT TIME!