This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Self indicator is actually a chemical substance which can mark the end point of a titration or any other reaction along with self-participation in the reaction.
For example, acidified Potassium dichromate paper turns from orange to green in presence of Sulphur dioxide.
Here,Cr2(SO4)3 is green due to which,the entire colour turns bright green.
But some indicators like litmus do not change its own chemical composition to indicate colour change.
10 4 10