Shares & Saves. Save. Xenon and halogen lights use a gas to help increase bulb effectiveness, but there are several key differences between them. Halogen lights are an older type of bulb that uses halogen gas primarily as a buffer and backup system, while xenon lights depend wholly on xenon gas to produce light.
Magnesium chloride is the name for the chemical compounds with the formulas MgCl 2 and its various hydrates MgCl 2 (H 2 O) x. These salts are typical ionic halides, being highly soluble in water. The hydrated magnesium chloride can be extracted from brine or sea water.
Magnesium oxide (Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).agnesium oxide is produced by the calcination of magnesium carbonate or magnesium hydroxide or by the treatment of magnesium chloride with lime followed by heat.