Fire extinguisher

Dry ice is solid carbon dioxide. The name dry ice refers to the fact that the substance changes from a solid to a gas without first becoming… See more » Hydrofluoric, hy droh flu AWR ihk, acid is an extremely dangerous inorganic chemical. It is produced by dissolving hydrofluoric gas in water. The… See more » Sodium hydroxide, also called lye or caustic soda, is an important industrial chemical. It serves as the main ingredient in many commercial drain… See more »