Rusting is the oxidation of iron. To prevent rusting you must prevent oxygen from coming into contact with the product. This is normally acheived by applying a barrier of oil in working environments. Products are available for storing materials for long periods to avoid rusting. These have a more waxy nature than oil and would not be suitable to use to stop rusting in a mechaincal item. Of course if you want to prevent rusting and for it to look nice. various paints and lackers can be applied. Chemical coatings can also be applied to prevent rusting. Or simply keep the item clean and dry and rusting can be slowed.
the main method is to coat the surface in question with a substance that is water proof, preventing the occurance of iron oxide. Laminating the the surface or covering it in oil or grease works.
You can spray objects with a water repellent or lubricant with silicone over a surface which repels water, therefore preventing rust!
the things that iron needs to rust is water oxygen and of course iron take away any one of these iron cant rust
Toes
If by non rusting you mean it is in the same state it was made in then it wouldn't be part of any change. But if something is rusting it would be a chemical change because the metal is changing composition and it is not the same metal it was in the first place.
no rusting iron is not a physical change it is a chemical change
Yes, it is.
Rusting is a reaction which combines molecules to form other molecules: metal + oxygen -> rust. The definition of a chemical reaction is molecules turning into other molecules, so rusting is a chemical reaction.
Painting of iron prevent it from rusting because it prevent the iron articles coming in Contact with oxygen, or water vapours present in the air.
covering the metal with varnish, paint or oil. keeping the metal dry will help your rusting problems!
By preventing rusting of iron in bus not being sarcastic at all
Steel castings can prevent rusting depending on what the kind of steel. Carbon steel may cause rusting at a higher rate than stainless steel.
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Rusting , Corrosion & Looks
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Paint can protect iron from rusting, especially if it is the right kind of paint - you would not want to use a water based acrylic paint, since the water in the paint would promote rusting, rather than preventing it.
Anything that keeps oxygen (air) away from iron will prevent rust - galvanize, paint, oil, etc.
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Use oil
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