Describe the pH scale, running from 0-14, as a scale of strength acidity and alkalinity.
The pH scale is a scale running from 0 to 14 measuring the acidity or alkalinity of a substance; 0 being the most acidic and 14 being the most alkaline. The pH scale also comes in a scale of colours, acidic being red through brown (0-6) and alkaline being the blues and purples, a neutral substance has a pH of seven and is represented by a green colour. Below is a common pH scale showing the full range from 0 to 14 and their corresponding colours.
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