In which of the following applications of Iron, rusting will occur most?
Support your answer with valid reason.
- - Iron Bucket electroplated with Zinc
- - Electricity cables having iron wires covered with aluminium
- - Iron hinges on a gate
- - Painted iron fence
Answer:
- Iron rusts when it comes in direct contact with air or water .
- Coating of other metals such as Zinc, Aluminium or Chromium, Oiling or Greasing, Painting and Alloying are methods used to prevent or slow down the process of rusting .
- Hence the Iron hinges on a gate which are in contact with both atmospheric oxygen and moisture/ water vapour are likely to rust quickly .
Thus, the correct answer is C .
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