Question

litmus paper is made up of by which plant?​

Answer 1

Explanation:

$\huge{\underline{\blue{\mathrm{lichens}}}}$

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.

Answer 2

Answer:

Litmus Paper are natural acid - base indicator is made up of lichens. It has mauve (purple) colour in distilled water. When it is mixed with an acidic solution it turns red and when added to a basic solution it has blue colour.

In market it is available in solution and paper for general use Litmus Paper are used commonly