MCQ
The factors affecting corrosion are
  • A
    position of metal in electrochemical series.
  • B
    presence of $CO_2$ in water
  • C
    Presence of impurities in metal
  • All of the above

Answer

Correct option: D.
All of the above
d
Corrosion is a process in which the metals react with the atmosphere and weakens the metal.

The main factors that effect corrosion are

($i$) Presence of a protective coating.

($ii$) Presence of $CO _2$ in water.

($iii$) Presence of impurities coating

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