The meaning of LITMUS is a coloring matter from lichens that turns red in acid solutions and blue in alkaline solutions and is used as an acid-base indicator.

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

LITMUS TEST meaning: 1. a test to find out if a substance is acid or alkaline 2. someone's decision or opinion about…. Learn more.

LITMUS definition: a blue coloring matter obtained from certain lichens, especially Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution, red: widely used as a chemical indicator. See …

litmus, mixture of coloured organic compounds obtained from several species of lichens that grow in the Netherlands, particularly Lecanora tartarea and Roccella tinctorum. Litmus turns red in acidic …

Mar 5, 2026 · A litmus test is a simple chemical test that tells you whether a liquid is acidic or basic (alkaline). You dip a small strip of specially treated paper into the liquid, and the paper changes …

A soluble powder obtained from certain lichens. It turns red under acid conditions and blue.... Click for English pronunciations, examples sentences, video.

Jan 20, 2021 · Learn about litmus paper and how to perform and interpret the litmus test. See the colors to expect using red, blue, or purple litmus.