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zheka24 [161]
3 years ago
15

Red litmus paper explain how it works and how it used​

Chemistry
1 answer:
olasank [31]3 years ago
8 0

Answer:

Litmus paper is one type of acid-base indicator. The paper is imbued with dye derived from lichens that change color in response to the presence of an acid or base. ... Red paper is used to detect alkaline pH and will turn a shade of blue in the presence of a basic solution.

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