From Which Plant is Litmus Paper Or Litmus Solution Obtained? - Science and Technology 1

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From which plant is litmus paper or litmus solution obtained?

  1. Moss
  2. Rose
  3. Hibiscus
  4. Lichen
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Solution

(d) Lichen.

Litmus is a water soluble mixture of different dyes extracted from lichens, especially Roccella tinctoria.

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2013-2014 (March)

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