Question

what is acidity? in chemistry.

Answer 1

A lower pH means a higher acidity, and thus a higher concentration of positive hydrogen ions in the solution. Chemicals or substances having the property of an acidare said to be acidic. ... Conversely, many Lewis acids are not Arrhenius or Brønsted-Lowry acids.

Answer 2

Acids are primary contributors to the measure of pH in a solution, and the presence of acids a key characteristic of almost all solutions, from blood in the body to foods and drinks we consume.