Question

What is litmus? Name the forms in which litmus is
available in the market?​

Answer 1

Answer:

There are two types of litmus papers available, red and blue.

Answer 2

Answer:

Litmus is a water-soluble mixture of different dyes extracted from lichens. It is often adsorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity.

Explanation:

there are two litmus

Red litmus

Blue litmus.