Question

What is corrosion ? List the methods used to prevent corrosion.

Answer 1

Corrosion is a natural process, which converts a refined metal to a more stable form, such as its oxide, hydroxide, or sulfide. It is the gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment.

Plating, painting, and the application of enamel are the most common anti-corrosion treatments. They work by providing a barrier of corrosion-resistant material between the damaging environment and the structural material.

Answer 2

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When a metal is attacked by substance around it such as moisture,acids etc. It is said to be corrode and this process is called Corrosion.

Methods to prevent corrosion are:-

⏩ Galvanisation.

⏩ Painting.

⏩ Oiling.

⏩ Chrome plating.

⏩ Anodising.

⏩ Greasing.

⏩ Making Alloys.

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