In this online resource, students are introduced to pH indicators.

In this online resource, students are introduced to pH indicators.
This online resource looks at acid-base reactions.
The resource provides a range of activities to do with some key chemical concepts relating to hair care, shampoos and conditioners.
This online resource is a web page that gives basic information on acids and bases including how to make litmus paper with cabbage water and how to perform a titration with vinegar.