Ever wondered how the foil wrapped around our food keeps the food warm? Do you know which material is the foil made up of? What is the material of a soft drink can and aeroplane body? The answer is aluminium. Aluminium is the most abundant metal in the Earth’s crust (8.1%) but is rarely found uncombined in nature. It is usually found in minerals such as bauxite and cryolite. These minerals are aluminium silicates. There are various processes for the … Continue reading Extraction of Aluminium: Baeyer’s Process & Hall Herault’s Process