Answer
There is more than one definition of acid-base behavior because, along the history of chemistry, their properties were used in different purposes and by different scientists, so each of them defined the behavior according to their knowledge and need at the time.
Work Step by Step
There is more than one definition of acid-base behavior because, along the history of chemistry, their properties were used in different purposes and by different scientists, so each of them defined the behavior according to their knowledge and need at the time.