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in Electrochemistry by (33.4k points)
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Corrosion causes enormous damage to various articles made of metal.

1. What do you mean by corrosion? 

2. What is barrier protection? 

3. Name any two metals which can be used as sacrificial electrodes in the electrochemical method of protecting iron.

1 Answer

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1. Destruction of a metal.

2. In this method, a barrier film is introduced between metal and atmospheric oxygen and moisture. Painting or with a thin film of oil or grease electroplaing.

3. Two metals which can be used as sacrificial electrodes in the electrochemical method of protecting iron

  • Mg 
  • Zn  

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