1. Sep 30, 2013 #1

   ajayguhan

   

   Why less originated area act as anode in a metal ?

    

   ajayguhan, Sep 30, 2013
2. 
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3. Sep 30, 2013 #2

   Borek

   

   Staff: Mentor

   What do you mean by "originated area"?

    

   Borek, Sep 30, 2013
4. Sep 30, 2013 #3

   ajayguhan

   

   Sorry it's oxygenated

    

   ajayguhan, Sep 30, 2013
5. Sep 30, 2013 #4

   Borek

   

   Staff: Mentor

   I am still not sure what the question is really about. In what context was it asked?

    

   Borek, Sep 30, 2013
6. Sep 30, 2013 #5

   ajayguhan

   

   A metal undergoes a electrochemical corrosion when exposed to moisture air. The parts which are less exposed to oxygen will act as anode and the more oxygen concentrated area will act as cathode

    

   ajayguhan, Sep 30, 2013

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