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methanal
methane series
methane series see alkane .
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methanal
Book article from: World Encyclopedia
methanal ( formaldehyde , HCHO ) Colourless, inflammable, poisonous...Hofmann (1818–92) discovered it in 1867. Most methanal is in the form of formalin. Methanal is used in the manufacture of dyes and plastics. Chief properties...
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Fehling's test
Book article from: A Dictionary of Biology
...solution. After boiling, a positive result is indicated by the formation of a brick-red precipitate of copper(I) oxide. Methanal, being a strong reducing agent, also produces copper metal; ketones do not react. The test is now little used, having...
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formaldehyde
Book article from: World Encyclopedia
formaldehyde Alternative name for methanal
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