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प्रश्न
What are the adverse effects of corrosion?
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उत्तर
The adverse effects of corrosion are as follows:
- Damage to commercial aeroplanes that could result in possible in-flight problems
- Damage to oil pipelines that could cause a costly and dangerous rupture that creates significant environmental damage.
- Damage to bridge supports that could cause a bridge failure
- Release of harmful pollutants from iron corrosion that contaminates the air
- Costs of repairing or replacing household equipment that fails
- Lose of efficiency
- Contamination of product
- Damage of metallic equipments
- Inability to use metallic materials
- Lose of valuable materials such as blockage of pipes, mechanical damage of underground water pipes
- Accidents due to mechanical lose of metallic cars, aircrafts etc.
- Causes pollution due to escaping products from corrosion
- Depletion of natural resource
संबंधित प्रश्न
Name two metals which resist corrosion due to the formation of a thin, hard and impervious layer of oxide on their surface.
Explain how the activity series accounts for each of the following:
tendency to corrosion
Answer the following question.
a) What is meant by corrosion?
b) Write names of any two methods of prevention of corrosion.
c) In which method, metal like copper, aluminium are coated with a thin layer of their oxides by means of electrolysis.
d) Explain this method with diagram.
Give reason.
Copper and brass utensils should be tinned.
Write a short note on Alloying.
Draw a neat labelled diagram.
Anodizing
Amalgam is an alloy of ____________.
Galvanisation is a process used to prevent the rusting of which of the following?
Explain the following:
Bubbles are produced when acetic acid is added to a solution of sodium hydrogencarbonate.
Gold plated ornaments is the example of ______.
