Question

aluminium is more reactive than iron and zinic yet its corrosion is less than these two metals

Answer 1

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ALUMINIUM DEVLOPS A PROTECTIVE LAYER OF THE ALUMINIUM OXIDE BY SLOWLY REACTING WIGH THE O2 IN NATURE. AFTER THIS LAYER FORMATION AIR CAN'T REACT WITH ALUMINIUM PRESENT HENCE THERE IS LESS CORROSION.


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