Welcome to the module on Acids and Bases. 

Things to note!  
1. The difference between an acid, a base and an alkaline. 
2. How to test for acids and bases using litmus indicators. 
3. How to use the pH scale to classify the acid and base strength of substances. 
4. How to test the pH of a variety of substances. 
5. The difference between the strength and the concentration of acids/bases. 
6. The importance of acids and bases in nature.