Which form of iron is known for its resistance to corrosion?a)Wrought ironb)Cast ironc)Steeld)Pig ironCorrect answer is option 'A'. Can you explain this answer?

Question

Answer

Wrought Iron

Wrought iron is known for its resistance to corrosion due to its unique composition and production process. Here's why:

- Composition: Wrought iron contains less than 0.1% carbon and is primarily made up of iron with small amounts of slag. This low carbon content makes it highly resistant to rust and corrosion compared to other forms of iron.

- Production process: Wrought iron is produced by refining pig iron in a process called puddling, which removes impurities and creates a material with a fibrous structure. This fibrous structure gives wrought iron its distinctive look and also contributes to its corrosion resistance.

- Surface treatment: Wrought iron is often coated with protective finishes, such as paint or powder coating, to further enhance its resistance to corrosion. These coatings create a barrier between the iron and the elements, preventing rust and degradation.

Overall, wrought iron's low carbon content, fibrous structure, and protective finishes make it highly resistant to corrosion, making it a popular choice for outdoor furniture, fences, and decorative elements.

Answer

Wrought iron is known for its resistance to corrosion. It contains a very low carbon content and is usually coated with a protective layer, such as paint or varnish, to prevent exposure to moisture and air. Wrought iron is commonly used for outdoor decorative items, fences, and gates.

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