Question

Skill File
RUST
Iron is an element. It is denoted by the symbol Fe. When this
iron is exposed to moist air, it forms an oxide which is reddish
brown in colour, loose and powdery. This powdery coating is
actually a compound denoted by the formula Fe2O3.nH2O.
The two conditions necessary for rusting are :
()​

Answer 1

Answer:

This phenomenon takes place in the presence of moisture and air. So, the presence of air and water vapor in air are two necessary conditions for the rusting of iron.