Question

How indicators are used to determine acidic or basic nature of given liquid.​

Answer 1

Answer:

Bases have many practical uses. To tell if something is an acid or a base, you can use a chemical called an indicator. An indicator changes color when it encounters an acid or base. There are many different types of indicators, some that are liquids and others that are concentrated on little strips of "litmus" paper.

Answer 2

Answer:

they can be used to determine concentration of H+ ions. in liquid ph paper is used