‘Litmus’, a natural dye is an extract of which of the following?
  1. China rose (Gudhal)
  2. Beetroot
  3. Lichen
  4. Blueberries (Jamuri)


Correct Answer: (c) Lichen

Explanation: Litmus is a natural dye used as an indicator is extracted from lichen.

Updated on: 01-Feb-2023

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