ph Definition
a measure of acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity and decreasing with increasing acidity. The pH scale commonly in use ranges from 0 to 14..
Using ph: Examples
Take a moment to familiarize yourself with how "ph" can be used in various situations through the following examples!
Example
The pH of pure water is 7.
Example
The pH of lemon juice is about 2.
Example
The pH of bleach is about 12.
Summary: ph in Brief
'pH' [piː eɪtʃ] is a measure of acidity or alkalinity of a solution, ranging from 0 to 14. It is numerically equal to 7 for neutral solutions, increasing with increasing alkalinity and decreasing with increasing acidity. Examples include the pH of pure water, which is 7, and the pH of lemon juice, which is about 2.
