What is litmus paper??
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- 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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What is litmus paper??
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). Neutral litmus paper is purple.
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