Question

Give reason: Aluminium and Zinc metals do not corrode easily even though they are reactive metals

Answer 1

ALUMINIUM AND ZINC METALS ARE MODERATE REACTIVE METALS. THEY UNDERGO REACTION WITH OXYGEN PRESENT IN THE AIR TO FORM A LAYER OF THEIR METAL OXIDE. THIS PROTECTIVE LAYER PREVENTS THE METAL FROM FURTHER OXIDATION AND THUS PREVENTING REACTION WITH AIR (OXYGEN). HENCE THEY DO NOT CORRODE EASILY.


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