Question

*Litmus paper / solution is made from ______ plant extract.*

1️⃣ hibiscus
2️⃣ lichen
3️⃣ periwinkle
4️⃣ rose



2 lichen

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Answer 1

"lichen" plant of thalophyta group.

Answer 2

Question:

Litmus paper/ solution is made from ____ plant extract.

Answer:

2️⃣ lichen