Finely divided platinum and some other metals will cause a mixture of hydrogen and oxygen to explode at ordinary temperatures. If a jet of hydrogen in air impinges on platinum black the metal surface gets hot enough to ignite the gases, [Mellor 1:325(1946-1947)].
magnesium chloride. Uses. This medication is a mineral supplement used to prevent and treat low amounts of magnesium in the blood. Magnesium is very important for the normal functioning of cells, nerves, muscles, bones, and the heart. Usually, a well-balanced diet provides normal blood levels of magnesium.
Sodium chloride is used to help flavor food in the form of table salt. Sodium is also found in sodium bicarbonate, also called baking soda. Sodium is also used in most soaps and detergents (although some, such as those in shaving cream, use potassium instead.).