ostwald's theory of indicators

Noun
  1. (chemistry) the theory that all indicators are either weak acids or weak bases in which the color of the ionized form is different from the color before dissociation (synset 106119094)
    referred to in: chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
    is a type of: scientific theory - a theory that explains scientific observations
    same as: theory of indicators

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