BBC12 个月
Redox, extraction of iron and transition metals
In the blast furnace, it is so hot that carbon monoxide can be used, in place of carbon, to reduce the iron(III) oxide: iron(III) oxide + carbon monoxide → iron + carbon dioxide The blast ...
ExplorersWeb on MSN11 个月
Iron Oxide in Ancient Bricks Reveal Strange History of Earth’s Electromagnetic Field
Scientists at University College London (UCL) analyzed grains of iron oxide in 32 clay bricks ... during the reign of ...