This tag should be applied to questions concerning acid and base reactions.
pH (or the potential of hydrogen) is a scale used to measure how acidic or basic an aqueous solution is.
Questions with both: 312
There are a number of questions that ask about pH values specifically. The two options that I think good arguments could be made for are:
- Make ph a synonym of acid-base
- Edit the guidance for ph such that is is sufficiently distinct from acid-base