Question

William finds a piece of pure iron in his garden after few days the iron begins to rush what are two types of substances involved in the rusting process of iron

Answer 1

Answer: Water and Oxygen

Explanation: the piece of iron in the garden has come in contact with oxygen and water which are the two elements of rusting. During this process the piece of iron will give out electron to oxygen and becomes Fe3O2. We call that oxidation.