Why Aluminum is more reactive than iron,yet there is less corrosion of Aluminum when both are exposed to air???
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◆Ekansh Nimbalkar◆
hello friend the answer was attached in the given picture.
hello friend the answer was attached in the given picture.
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divyansh101dabral:
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this answer isn't copied....she has given a screenshot of her own answer
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this is because aluminium spontaneously forms a layer of aluminium oxide.Aluminium oxide layer is thin but effective and prevents further oxidation.the aluminium oxide layer is impermeable and will repair itself if get broken.It adheres strongly to parent metal.The layer has stable ph range 4-9
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