Medically reviewed by Jonathan Purtell, RDN Acidic foods (with a pH of 4.6 or lower) are generally safe to consume as part of ...

The pH scale ranges from 1 to 14 ... Most soft drinks contain one of the remaining three: phosphoric, carbonic or citric acid. All soft drinks can erode teeth, but one of the three soft-drink ...

Acids have a sour taste, like vinegar, which contains ethanoic acid, and lemons, which contain citric acid ... This is measured using the pH scale, which runs from pH 0 to pH 14.

Universal indicator solution is also available from chemical suppliers and comes with color charts to indicate the pH of the solution. Label 3 small cups Citric Acid, Calcium Chloride ... how to read ...