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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 the metal which is used for galvanising iron.
Give the constituents and one use of brass.
Name two metals which resist corrosion due to the formation of a thin, hard and impervious layer of oxide on their surface.
Compare roasting and calcination.
Explain with reason:
Roasting is carried out on sulphide ores and not on carbonate ores.
Observe the following picture a write down the chemical reaction with the explanation.
Observe the following picture and answer the following questions:
- What is rust?
- Write the chemical formula of rust.
- Write the reaction of oxidation of iron at the anode.
- Write the reaction of oxidation of iron at the cathode.
- What is corrosion?
Corrosion of silver causes a black layer of _______.
Write the name.
Method used to prevent corrosion of copper.
Galvanisation is a method of protecting iron from rusting by coating it with a thin layer of ____________.
