Bothaluminium and ironcombineslowly withoxygenatroomtemperature. Why i – InterviewSolution

1.	Bothaluminium and ironcombineslowly withoxygenatroomtemperature. Why isthisreactionaproblem forironbutnotfor aluminum ?
Answer» SOLUTION :AL formsas imperviouscoatof` Al_2O_3 `whichprotectsthemetalfromfurtherecorrosion. In CONTRAST,ironforms ironrust` (Fe_2O_3.xH_2O)`whichflakesoffexposingfreshsurfaceto CORROSION.

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