Question

Write a note on:

Litmus

Answer 1

Litmus:

1. Litmus is the most common indicator used in laboratories.
2. Litmus is a natural indicator that is extracted from lichens.
3. It is available in the form of a solution or in the form of strips prepared by absorbing litmus solution on filter paper.
4. It is either red or blue in color.
5. Blue litmus paper turns red in acidic solution and red litmus paper turns blue in the basic solution.