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...Cl]]. It has many uses in a range of different fields, such as [[biology]] and [[chemistry]]. At room temperature it appears as a solid, odorless, dark gr ...hydroxide]]. Upon shaking the bottle, [[oxygen]] oxidizes methylene blue, and the solution turns blue. The dextrose will gradually reduce the methylene b

...d [[building]]s and [[structure]]s, especially as it relates to the health and comfort of building occupants. ...ntilation (architecture)|ventilation]] to dilute contaminants, filtration, and source control are the primary methods for improving indoor air quality in

...pm). It was discovered simultaneously by [[Friedrich Stromeyer|Stromeyer]] and Hermann, both in Germany, as an impurity in [[zinc carbonate]]<ref>Cadmium ...technologies, cadmium’s [[toxicity]] in certain forms and concentration and resulting regulations <ref name="ReferenceA">Kirk-Othmer Encyclopedia of Ch

...ce]]s of nature (the others are [[gravitation]], the [[weak interaction]], and the [[strong interaction]]). ...act with the electromagnetic field is described by [[Maxwell's equations]] and the [[Lorentz force law]].

...s. Several million tons are produced annually as a precursor to [[Teflon]] and refrigerants, but its use for refrigerants is being phased out.<ref name=Ul CHCl₃ has a multitude of natural sources, both biogenic and abiotic. It is estimated that greater than 90% of atmospheric CHCl<sub>3</s