A colorless, viscous liquid, a highly corrosive, strong acid used in several industrial processes.
A colorless, toxic gas with the characteristic odor of rotten eggs. It occurs in certain mineral waters and spring waters.
A compound ion produced when sulfuric acid releases protons.
An odorless, yellow, solid substance, the 16th most common in the Earth´s crust. One of the best known sulfur compounds is pyrite, also known as ´fool´s gold´.
Sulfur dioxide emission is the main cause of acid rains. It is an intermediate product in the production of sulfuric acid.
One of the oxides of sulfur, forms sulfuric acid with water.
One of the oxoacids of nitrogen. Colorless, moderate acid with a pungent odor, that exists only in aqueous solution.