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We come across many iron articles around us. Iron is used in making bridges, ships, cars, truck bodies, grills in windows, etc.
![chain-566778_1280.jpg](https://resources.cdn.yaclass.in/49616bfe-c965-4cf0-a877-2df245738e9a/chain5667781280w300.jpg)
Rusted iron chains
Iron turns into rust when exposed to air and moisture in the atmosphere.
Prevention:
1. Frequent coating of paint or grease on iron articles slower the process of rusting.![ru2.jpg](https://resources.cdn.yaclass.in/88e81675-7c9e-4cee-8404-01dd1608a221/ru2w300.jpg)
![ru2.jpg](https://resources.cdn.yaclass.in/88e81675-7c9e-4cee-8404-01dd1608a221/ru2w300.jpg)
Coating iron ship with paint
2. Galvanisation (depositing a layer of zinc on iron).
![ru3.jpg](https://resources.cdn.yaclass.in/78e9101b-d76d-4cc0-b80b-112d7ef3adf2/ru3w300.jpg)
Galvanised iron sheets
3. Alloy (mixing iron with other metals).
![ru4.jpg](https://resources.cdn.yaclass.in/6cd9fbdf-8126-40c2-b4a0-398d9acb5aa0/ru4w300.jpg)
Gold chain mixed with other metals
The iron galvanized pipes are used in our homes to carry water to prevent rusting. Ships suffer a lot of damage from rusting so to prevent its damage, stainless steel is made by mixing iron with carbon and metals like chromium, nickel and manganese.
![rust.jpg](https://resources.cdn.yaclass.in/41451aa5-2ab0-4ef3-9e60-01ba6cd5f59d/rustw300.jpg)
Rusted iron ships