What is Corrosion? Do we observe corrosion only in Iron?
Asked by Topperlearning User | 25th Jun, 2014, 09:50: AM
The corrosion process is a slow, natural and normal occurring electrochemical reaction that takes place when metal objects are exposed to an oxidizing environment usually under wet or moist conditions. In this process metal surface slowly reacts with components of air forming undesirable substances on its surface. No, we observe corrosion in other metals also.
Answered by | 25th Jun, 2014, 11:50: AM
- What are the essential requirements for corrosion to take place?
- Account for the following: "Alkaline medium inhibits the rusting of iron".
- Give three easier ways of preventing rusting of Iron.
- Why carbon dioxide dissolved in water increases the rate of rusting?
- Oxygen is essential for rusting. But a portion of iron rod in contact with oxygen is not damaged rather the other end is damaged. Explain why?
- Rusting of iron becomes quicker in saline medium. Explain.
- Iron does not rust even if the zinc metal coating on its surface is broken but the same is not true when coating is of Tin.
- What is meant by Cathodic protection of the Iron? Explain it taking the example of Magnesium attached to an Iron tank or pipe.
- How des galvanization of Iron Prevents its rusting?
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