Question

6.
"Litmus', a natural Indicator is an
extract of which of the following?
(a) China rose (Gudhal)
(b) Beetroot
(c) Lichen
(d) Blue berries (Jamun)​

Answer 1

Answer:

Lichen is the right answer

It's a plant

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.