Question

What do you understand by universal indizator

Answer 1

Universal indicator

A substance that changes to different colours according to whether another substance that touches it is an acid or an alkali

Answer 2

Heya...,

Your answer is:

A universal indicator is a pH indicator composed of a solution of several compound that exhibits several smooth colour change over a pH value range from 1-14 to indicate the acidity or alkalinity of solutions.

for example -

Indicator Low pH colour transition

Methyl red yellow 4.8-6.0

hope its helpful to you.....