STATE 5 POINTS OF DIFFERENCE BETWEEN FORMATION OF RUST AND FORMATION OF ICE.
| Rusting of iron | Formation of ice |
| It is a chemical change | It is a physical change |
| It is irreversible in nature | It is reversible in nature |
| No change of state (remains solid) | Liquid state changes to solid state. |
| It can take place at any temperature | It takes place at 0oC only. |
| Necessary condition- presence of air and water | Necessary condition- Appropriate temperature. |