Question

define univeesal indicator ? mention its one use​

Answer 1

Answer:

The main components of a universal indicator, in the form of a solution, are thymol blue, methyl red, bromothymol blue, and phenolphthalein. This mixture is important because each component loses or gains protons depending upon the acidity of the solution

Answer 2

Answer:

A universal indicator is a pH indicator made of a solution of several compounds that exhibits several smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions.

Explanation:

but first of all this question does not belong to english it belong to biology ...