Sulphur dioxide emission is the main cause of acid rains. It is an intermediate product in the production of sulphuric acid.
A compound of sulphur often used as a pesticide.
A colourless, toxic gas with the characteristic odour of rotten eggs. It occurs in certain mineral waters and spring waters.
A compound ion produced when sulphuric acid releases protons.
An odourless, yellow, solid substance, the 16th most common in the Earth´s crust. One of the best known sulphur compounds is pyrite, also known as ´fool´s...
A colourless, viscous liquid, a highly corrosive, strong acid used in several industrial processes.
Colourless, moderate acid, only known in aqueous solution.
An exercise about compound ions.