Identification of acid and base

Which one of the following is a taxonomical aid for identification of plants and animals based on similarities and dissimilarities

First chemincal identification of auxin, indole 3-acetic acid, was carried out by

Identification of sign of coefficients of quadratic polynomial based on graph

Types of electrolyte | pH calculation of strong acid and base | Mixture of strong acids and bases | Weak acid and weak base

What is meant by identification of a species ?

Chromatography is a valuable method for the separation, isolation, purification and identification of the constituents of a misture and it is based on general principle of