Respuesta :

Explanation:

The advantage of the universal indicator is that it displays a variety of colors over the whole pH scale. This makes it possible to determine an approximate pH of a solution over a range from 1-14. whereas, A commonly used acid-base indicator is litmus.

Well, first the advantages. They are cheap, rapidly produce a result that is good to about a pH unit and can simply be discarded after use. So, the disadvantage has to do the the latter two points. Universal indicators are good to about a pH unit.