Multiple choice

Which of the following statements is false?

  1. Chemical formula of rust is Fe2O3.xH2O.

  2. Pitting corrosion occurs due to breaking of oxide layer of the metal.

  3. Anodic coating protects underlying metal due to higher reduction potential.

  4. Galvanized iron is not used in making cooking utensils.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Anodic coating protects underlying metal due to higher oxidation potential.

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