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.
Lead chloride is sparingly soluble in cold and considerably more soluble in hot water.ead Chloride, Pb Cl 2, occurs as the somewhat rare mineral cotunnite, which is of volcanic origin, and has been found in the crater and lava of Vesuvius. It was known to Dioscorides that yellow oxide of lead turns white when placed in warm water with common salt. Lead chloride may be obtained in various ways.