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Examples of exothemtic reactions are the burning of a fuel, the fonnation of
ammonia gas from its constituent elements, nitrogen and hydrogen, and the
solution of hydrogen chloride gas in water to make hydrochloric acid. Cf.
The dye is isolated by leaching out the zinc chloride, dissolving the crude
fluorescein in alkali, and precipitating it with acid ... see fluoroscope. fluoride, a
compound formed from fluorine, a nonmetallic chemical element (see hydrogen
... for elements: see astatine: bromine; chlorine: fluo~ rine; iodine compounds:
halogenoid; hydrogen bromide: hydrogen chloride; hydrogen fluoride; hydrogen
iodide; interhalogen compound halogen lamp, a tungsten-halogen filament lamp.
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review