CBSE Class 12 science: Corrosion Videos | Corrosion

• What is Corrision .What are the factor affecting it?
• The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactions occurring during the corrosion of iron in the atmosphere.
• What is Corrosion? Do we observe corrosion only in Iron?
• 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.

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