Question

How does almunium protect iron from rusting

Answer 1

Explanation:

When it starts to corrode, aluminium forms an oxide layer, which is impervious to water and oxygen. ... The impervious aluminium oxide layer protects the aluminium from further corrosion whereas the rust on the iron flakes off, exposing more metal iron to attack.

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Answer 2

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When it starts to corrode, aluminium forms an oxide layer, which is impervious to water and oxygen.The impervious aluminium oxide layer protects the aluminium from further corrosion whereas the rust on the iron flakes off, exposing more metal iron to attack.