Question

A Chemical substance used to identify acids or bases​

Answer 1

Answer:

Indicator

Substances that are used to determine whether a particular substance is an acid or a base are called Indicator. An indicator is a dye that is a weak organic acid or a base that changes colour when it is added to an acid or a base.

Answer 2

Answer:

Hii

Explanation:

There are two types of Litmus paper to identify acids or bases,

Red litmus paper and blue litmus paper.Blue litmus paper turns in to red under acidic conditions and red litmus paper turns into blue under basic conditions.