Question
What are the adverse effects of i corrosion?
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Answer
- A reddish coloured deposit (rust) is formed on iron by reaction with oxygen gas.
- A greenish coloured deposit (copper carbonate) is formed on copper by reaction with carbon dioxide.
- A blackish coloured deposit is formed (silver sulphide) on silver.
- Corrosion causes damages to car bodies, bridges, iron railings, ships specially those of iron, silver articles and copper vessels.
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