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Electrochemistry — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryElectrochemistry1 Mark
MCQ
The best way to prevent rusting of iron is :
  • A
    By keeping in salt water
  • ✓
    Cathodic protection
  • C
    By coating with tin
  • D
    By keeping in ordinary water
✓

Answer

Correct option: B.
Cathodic protection
b

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