Q. 54.2( 18 Votes )

What is a Universal indicator, Give one example?

Answer :

Universal indicator is a homogenous mixture which is prepared by mixing some common indicators. It has pH ranging from 1-14 to indicate acidity or alkalinity of solutions.

Example: pH scale is a universal indicator. If we put a pH paper in lemon solution, then the reddish color of the paper turns “yellow” as shown in the picture below.



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