pH

The video tutorial explains the pH scale, which ranges from 0 to 14, with 7 being neutral, 0 very acidic, and 14 very alkaline. It discusses the origin of the term 'pH', which stands for hydrogen potential, and how pH indicates the concentration of hydrogen ions in a solution.

What does a pH of 7 represent?

What do the extremes of the pH scale (0 and 14) indicate?

What is the origin of the term 'pH'?

What does a pH value indicate about a solution's acidity or alkalinity?

How does pH relate to the concentration of hydrogen ions in a solution?