what does litmus mean
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LITMUS TEST Noun. 1. litmus-a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator. litmus test. acid-base indicator-an indicator that changes color on going from acidic to basic solutions.
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Litmus Litmus paper being used. The main use of litmus is to test whether a solution is acidic or basic. Wet litmus paper can also be used to test for water-soluble gases that affect acidity or alkalinity; the gas dissolves in the water and the resulting solution colors the litmus paper. For instance, ammonia gas, which is alkaline, turn the red litmus paper blue.
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litmus test Homosexuality and gay marriage has become, in the minds of some, the litmus test of faith.
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How Do You Safely Dispose of Litmus Paper? What color does litmus paper turn in acid? The lichen species used to manufacture litmus paper are a source of azolitmin, which is the reacting agent in the solution. The solution contains a weak diprotic acid that releases hydrogen ions in alkaline solutions and turns the paper blue.
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What Is Litmus Paper? Understand the Litmus Test Red litmus paper can indicate alkalinity with a color change to blue. In general, litmus paper is red below pH of 4.5 and blue above a pH of 8.3. If the paper turns purple, this indicates the pH is near neutral. Red paper that does not change color indicates the sample is an acid.
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What does Atticus mean? What does Atticus mean? A tticus as a boys' name is pronounced AT-a-kuss. It is of Latin origin, and the meaning of Atticus is from Athens. The name of a famous Roman man of letters who lived in the last years (109-32 BC) of the Roman Empire.
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PAX ROMANA • PAX ROMANA (noun). The noun PAX ROMANA has 1 sense: 1. the Roman peace; the long period of peace enforced on states in the Roman Empire. Familiarity information: PAX ROMANA used as a noun is very rare.he noun PAX ROMANA has 1 sense: 1. the Roman peace; the long period of peace enforced on states in the Roman Empire. Familiarity information: PAX ROMANA used as a noun is very rare.
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litmus test Learner's definition of LITMUS TEST. [count] : something (such as an opinion about a political or moral issue) that is used to make a judgment about whether someone or something is acceptable. The party is using attitudes about gun control as a litmus test for political candidates. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — compare acid test
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- He dropped a piece of litmus paper into an acid, when it changed instantly to red, and on floating it in an alkali it turned as quickly to blue. The litmus paper is still the litmus paper, he enunciated in the formal manner of the lecturer.
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Rasmus Rasmus may refer to: Rasmus (given name), a short form of Erasmus (includes list of people holding the name) The Rasmus, a Finnish band formerly called Rasmus The Rasmus (album), self-titled studio album by the Finnish rock band The Rasmus. Colby Rasmus, American professional baseball player (Astros)
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litmus test litmus test. Chemistry. the use of litmus paper or solution to test the acidity or alkalinity of a solution. a crucial and revealing test in which there is one decisive factor.
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ignis fatuus Definition of ignis fatuus plural ignes fatui play \ ˈig-ˌnēz-ˈfa-chə-ˌwī \ 1: a light that sometimes appears in the night over marshy ground and is often attributable to the combustion of gas from decomposed organic matter
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Titus In American the meaning of the name Titus is: Pleasing. Latin Meaning: The name Titus is a Latin baby name. In Latin the meaning of the name Titus is: Saved. Greek Meaning: The name Titus is a Greek baby name. In Greek the meaning of the name Titus is: Titan; of the giants. Shakespearean Meaning: The name Titus is a Shakespearean baby name. In Shakespearean the meaning of the name Titus is: The Tragedy of Coriolanus.' Titus Lartius, a general against the Volscians. 'The Life of Timon of Athens' Timon's servant.
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ALKALI (alkalies) • ALKALI (noun). The noun ALKALI has 2 senses: 1. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water. 2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.Familiarity information: ALKALI used as a noun is rare.Dictionary entry details.. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water. 2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.
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What does Atticus mean? Atticus [at-ti-cus]▲ as a boys' name is pronounced AT-a-kuss. It is of Latin origin, and the meaning of Atticus is from Athens. The name of a famous Roman man of letters who lived in the last years (109-32 BC) of the Roman Empire. He is sometimes considered the first publisher because he had slaves copy important contemporary works like the letters of Cicero.
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exam litmus test - a test that relies on a single indicator; her litmus test for good breeding is whether you split infinitives. midterm exam, midterm examination, midterm - an examination administered in the middle of an academic term.
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- Definition of litmus. 1  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  2 : the critical factor in a litmus test; also : litmus test.
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Medical Definition of Thymus Thymus: An organ that is located in the upper chest behind the breastbone and in front of the lower neck in which the immune cells called T lymphocytes mature and multiply in early life. The thymus begins to shrink after puberty.hymus: An organ that is located in the upper chest behind the breastbone and in front of the lower neck in which the immune cells called T lymphocytes mature and multiply in early life. The thymus begins to shrink after puberty.
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Litmus Chemical structure of 7-hydroxyphenoxazone, the chromophore of litmus components. 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.
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- The Litmus Milk Test, Atlas p. 64. The Litmus Milk test is a rather complex test containing milk, litmus (a pH indicator), lactose, and casein (a milk protein) all of which can be metabolized by some bacteria. Litmus milk also contains sulfur and many nutrients that are found in milk.
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Difference Between Litmus Paper and pH Paper Litmus paper is an indicator, which can be used to determine acidic and basic solutions. Normally this comes as a paper stripe. Mixture of water-soluble dyes extracted from lichens like Roccella tinctoria are absorbed into filter paper stripes to make litmus paper. In this mixture, there are about 10- 15 types of dyes.
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lite The definition of lite is a slang term for light that means having less substance than something else. An example of something lite is a lite soda that has fewer calories than regular soda. An example of something lite is lite jazz, or jazz music that has good sound, but lacking in quality jazz characteristics. lite. -lite.
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What Is a Litmus test? 1 Red litmus paper: It is used to detect basicity. 2  It turns to blue under basic conditions and is unchanged under acidic conditions. 3  Red litmus paper is prepared by the treatment of plain filter paper with a red dye. 4  This red dye is pre-treated with little sulphuric acid and dried in air.
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LITCHI The noun LITCHI has 2 senses: 1. Chinese tree cultivated especially in Philippines and India for its edible fruit; sometimes placed in genus Nephelium. 2. Chinese fruit having a thin brittle shell enclosing a sweet jellylike pulp and a single seed; often dried. Familiarity information: LITCHI used as a noun is rare.
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- Definition of litmus test written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Learner's Dictionary mobile search
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Litmus 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. Litmus can also be prepared as an aqueous solution that functions similarly. Under acidic conditions, the solution is red, and under basic conditions, the solution is blue. Chemical reactions other than acid-base can also cause a color change to litmus paper.