Article #1:  Acids and Bases Explained

Article #2: Carbon Dioxide in Water

 

Water has a pH of 7.  7 is considered neutral because it is neither acidic nor basic.phscale

 

 

The pH scale is logarhythmic.  How many more times alkaline or basic is a liquid with a pH of 10 compared to a liquid with a pH of 11?ph3

 

A pH indicator such as bromthymol blue changes color as the pH changes.  This is a reversible chemical reaction.

bromthymol_blue