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Salt is abrasive and we find salt in abundance in ocean so the salty water is carried towards the ,etals and thus they corrode more easily.
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If steel and copper were in contact in an electrolyte which would corrode?
Steel will corrode as the iron in it is more reactive than copper.
What are the characteristics of spheroidal grey cast iron and how it is better than cast steel?
Cast Iron does not rust or corrode as steel can
What material forms on iron and steel when they corrode?
Rust, which is ferric oxide.
What type of stainless steel will rust the fastest?
Iron (Iron is the only pure metal that rusts, all other metals corrode)
What kinds of minerals rust?
Strictly speaking rust is an oxide of iron and thus only iron and its alloys (steel) rusts. Many metals corrode though.
What are the differences between corrugated steel and stainless steel?
Corrugated iron is the material used for roofing it is either Zinc coated or Zincalume coated the later is the modern version. Stainless steel is an alloy of steel and mainly nickel and far les likely to corrode then corrugated iron.
What can corrode?
iron
How does coating in plastic prevent rust?
plastic is non corrosive therefor creates a barrier between the iron and moisture/salt/oxygen, all of which would corrode iron or steel to form iron oxide (rust)
The use of iron brought many advantages over the steel previously used?
Steel is lighter, less brittle, doesn't corrode (rust) as quickly and is easier to shape and form.
What is the effect does water have on steel?
Think this through. What is the difference between sea water and freshwater? Salt. What does salt do? Rust or create buildups on metal. What types of metal? Several types including iron and steel.
How may the word corrode be used in a sentence?
Iron does not corrode as easily when coated with zinc by galvanizing.
What makes iron corrode fast?
Large amounts of oxygen, combined with dark magic, have been proven to make iron corrode quite quickly.
