Answer my question please
Attachments:
Answers
Answered by
1
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.
red and blue litmus paper is obtained from lichens.
Answered by
0
Answer:
(3) lichens. is the answer of this question
Similar questions