Chemistry

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Chemistry
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Rusting (3)
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Properties of fron(III) oxide, Fe2O3 or rust (2)
Water and oxygen can permeate into the iron metal underneath and iron will continuously rust
Substance that can faster the rusting of iron
Rusting of iron occurs faster in the presence of acid or salt because when these substances dissolve in water, the solution becomes a better electrolyte
Uses of iron in steel form (1)
Used in the manufacturing of vehicles
Uses of iron in steel form (2)
Used in the manufacturing of building construction
Uses of iron in steel form (3)
Used in the manufacturing of bridges
Uses of iron in steel form (4)
Used in the manufacturing of railway tracks
Properties of layer of aluminium oxide
A layer of aluminium oxide is hard and non porous, protecting the aluminium underneath from corroding
Other metals with the same characteristics with layer of aluminium oxide (1)
Zinc
Other metals with the same characteristics with a layer of aluminum oxide (2)
Lead
Other metals with the same characteristics with a layer of aluminum oxide (3)
Nickel
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