Question

Q.5 (a) What is litmus Explain its action​

Answer 1

The main use of litmus is to test whether a solution is acidic or basic. Light Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F).

Answer 2

Answer:

1 :a coloring matter from lichens that turns red in acid solutions and blue in alkaline solutions and is used as an acid-base indicator.

2 : the critical factor in a litmus test also : litmus test.

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