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Its because they are made out of iron (Fe)/ steel which is a corrosive metal, it reacts with the oxygen in the air to produce iron oxide and then this layer flakes away to reveal more iron which then does the same thing again (and so on, so forth)
if there is salt water present, it will speed up the process
only iron 'rusts', other sorts of metals 'corrode' (corrosion)
you can prevent rusting or corrosion by electroplating the object with a less reactive metal such as zinc or aluminum (although these are more reactive in the reactive series, they do not react with oxygen or water as much)
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∙ 12y ago
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Do old cars rust quicker then new cars?
Some cars rust faster than others. It depends on the technology used in the making of the cars. There are old cars who rust very slowly and new cars who rust very quickly.
Why don't cars rust while they are sitting out in the parking lot?
They do. Cars are coated in a rust protectant paint, which can flake off over time. Once this occurs, the exposed areas are prone to rust.
How are cars protected from rust?
by using the car wash
How dangerous is rust under car?
rust inder cars can be dangerous maybe the bottom will fall off! =^_^=
Do cars in Salt Lake City rust out because of the lake?
No. Salt Lake City is extremely dry, and although there is a large lake nearby, there is next to no humidity to rust out cars.
Will rust off work on cars?
yes ,rust off will work i think that is the first thing you should use
Why do old cars rust but their chrome bumpers do not?
Because The Chromium blockes out oxogen so the bumber doesnt rust
Why are cars made from aluminum?
Because it is strong, light and will not rust.
Why are the steel panels painted on cars?
SO they don't rust.
Why do older cars rust more than modern cars?
Older cars were made out of steel and now most cars are made of fiber glass
Why is rust dangerous on cars?
rust can dissolve the metal on ur car then ur car can fall apart and it will wreck your paint
Why do cars rust more in winter?
in laymans terms, the salt causes erosion.
