Another reason aluminum is easier to recycle is because it does not corrode, unlike other metals such as iron. If left unprotected, iron is transformed by the corrosive process of rusting into iron ...

Iron oxide, aluminum, and a catalyst are placed in a flowerpot. The reaction is extremely exothermic resulting in molten iron and aluminum dripping into sand below the flowerpot. The demonstration ...

IT is a widely held view that oxides of iron and aluminium play important parts ... do not permit the relative contribution of each oxide to be assessed.

aluminium is more expensive than iron. This is mainly because of the large amounts of electrical energy used in the extraction process. Aluminium oxide is insoluble in water, so it must be molten ...