a porous film is formed by action oxygen on metal
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Oxygen present in atmosphere in absence of moisture directly attack the metal surface at low as well as at high temperatures. However metals like Na, K, Li, Be, Ca, Mg etc are rapidly oxidised at low temperatures. ... During oxidation corrosion a thin layer of oxide film is formed on the surface of the metal.
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,Oxygen present in atmosphere in absence of moisture directly attack the metal surface at low as well as at high temperatures. However metals like Na, K, Li, Be, Ca, Mg etc are rapidly oxidised at low temperatures. ... During oxidation corrosion a thin layer of oxide film is formed on the surface of the metal.
Here is your answer.
_________________________________
__________________________
,Oxygen present in atmosphere in absence of moisture directly attack the metal surface at low as well as at high temperatures. However metals like Na, K, Li, Be, Ca, Mg etc are rapidly oxidised at low temperatures. ... During oxidation corrosion a thin layer of oxide film is formed on the surface of the metal.
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