The aluminum is then produced from the aluminum oxide through a technique called aluminum smelting. It is based on a process known as electrolysis, in which an electrical current is used to produce ...
When sodium is cut or scratched, its freshly exposed shiny surface rapidly turns dull as a thin layer of sodium oxide forms: Other metals may oxidise more slowly. Gold and other very unreactive ...
The government made the possession of nitrous oxide, or laughing gas, a criminal offence in England and Wales, as part of plans to tackle anti-social behaviour. Its use soared during the pandemic ...