oxidation/reduction

Zinc metal is placed in a lead(II) nitrate solution.

When ignited by a glycerin/permanganate reaction, an aluminum/iron oxide mixture reacts vigorously and spectacularly, producing molten iron and aluminum oxide.

Copper, zinc, sliver, cadmium, and lead are placed in silver nitrate solutions.

Cadmium metal is placed in a copper(II) nitrate solution.