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 ...

The burning metals are reacting with oxygen in the air and producing metal oxides. Sparklers contain small pieces of iron. When you burn the iron it reacts with oxygen to make iron oxide ...