The strength or weakness of an acid or base is determined by a universal indicator. It is a combination of a number of different indicators. It has a pH range of 3 to 11, with a pH of 3 being the lowest and 11 being the highest.
Name the indicator which can give us an idea of how strong or weak an acid or base is.
Name the indicator which can give us an idea of how strong or weak an acid or base is.