Corrosion and Electrode System
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Questions and Answers

What is the definition of corrosion?

  • The transformation of metals into non-metallic substances
  • The destruction or deterioration of metals or alloys by the surrounding environment through chemical or electrochemical reactions (correct)
  • The formation of protective layers on metal surfaces
  • The process of metal oxidation in the presence of moisture

    • What is the final oxidation product formed during the rusting of iron?

  • Fe2O3 (correct)
  • FeO
  • Fe(OH)3
  • Fe3O4

    • In which type of corrosion does the corrosion occur in the absence of moisture?

  • Wet corrosion
  • Dry corrosion (correct)
  • Electrochemical corrosion
  • Chemical corrosion

    • What is formed on the surface of copper when exposed to moist air?

    <p>[CuCO3 + Cu(OH)2]</p> Signup and view all the answers

    In wet corrosion, what does the corrosion depend on?

    <p>Presence of conducting medium</p> Signup and view all the answers

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