Question

What is Litmus paper??
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Answer 1

Explanation:

Litmus paper is paper that has been treated with a specific indicator—a mixture of 10 to 15 natural dyes obtained from lichens (mainly Roccella tinctoria) that turns red in response to acidic conditions (pH 7). When the pH is neutral (pH = 7), then the dye is purple.

Answer 2

Answer:

a type of paper that changes colour according to the acidity of a solution that it is dipped into and so which can be used to test acidity.

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