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Q.

Litmus is extracted from _______.

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a

fungi

b

lichens

c

algae

d

bacteria

answer is C.

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Detailed Solution

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Lichens are used to make litmus. In distilled water, it has a mauve (purple) tint. It turns red when added to an acidic solution and blue when added to a basic solution. As a result, it’s used to determine whether a solution is acidic or basic.

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