What are the conditions which lead to the rusting of iron?
Interaction with air
Interaction with water
Interaction with soil
Coating iron with paint
Interaction with air as well as with water at the same time results in the rusting of iron.
What will happen to the iron if it is completely immersed in water, with water having a layer of oil on its surface to avoid the interaction with air?
What is meant by rusting of iron? With the help of labelled diagrams, describe an activity to find out the conditions under which iron rusts.