Question

What is mean by litmus paper and how is it used​

Answer 1

Answer:

Litmus is a water-soluble mixture of different dyes extracted from lichens. It is often adsorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity.

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Explanation:

Answer 2

Answer:

litmus paper is an indicator used in labrotaries to identify the chemicals, whether it's acidic or basic

Extra knowledge:

♦if the colour of the blue litmus paper turns red while dipped in a solution, then the solution is acidic.

♦and if the red litmus paper changes its colour to blue while dipped in a solution then the solution is basic

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