Litmus, a natural dye is an extract of which of the following?

China rose

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Beetroot

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Lichen

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Blueberries

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Solution

The correct option is C
Lichen

Lichen gives the natural purple dye, litmus, which is used as an acid-base indicator. Litmus turns red when added to an acidic solution and blue when added to a basic solution.

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Question 6

Litmus, a natural dye is an extract of which of the following?
(a) China rose (Gudhal)
(b) Beetroot
(c) Lichen
(d) Blueberries (Jamun)

Litmus solution is a purple dye, which is extracted from:

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