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Which is the purest form of iron?
- a)Steel
- b)Cast iron
- c)Pig iron
- d)Wrought iron
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrou...
Wrought iron is the purest form of iron among the given options.
Explanation:
Wrought iron is a form of iron that is almost entirely free from impurities and contains a very low percentage of carbon (less than 0.1%). It is characterized by its fibrous structure and is known for its high ductility and malleability.
Here are some key points that explain why wrought iron is considered the purest form of iron:
1. Carbon content:
- Wrought iron has the lowest carbon content among the given options. It contains less than 0.1% carbon, making it nearly pure iron.
- In comparison, steel contains a higher carbon content (up to 2%) which gives it greater strength but reduces its purity.
- Cast iron contains a higher carbon content (2-4%) and is known for its brittleness and inability to be forged.
- Pig iron is the crudest form of iron and has a high carbon content (3-4%). It is also brittle and cannot be used directly.
2. Impurities:
- Wrought iron is produced by a refining process known as puddling, which removes impurities such as sulfur and phosphorus.
- This process involves melting pig iron in a reverberatory furnace and stirring it to oxidize the impurities, which are then absorbed by the slag.
- The repeated stirring and oxidation help to purify the iron, resulting in wrought iron with minimal impurities.
3. Physical properties:
- Wrought iron is known for its fibrous structure, which is a result of the slag being worked into the iron during the refining process.
- This fibrous structure gives wrought iron its characteristic grainy appearance and enhances its mechanical properties, such as ductility and malleability.
- It can be easily forged, welded, and shaped into various forms without losing its strength.
In conclusion, wrought iron is considered the purest form of iron due to its low carbon content and the removal of impurities during the refining process. Its high ductility, malleability, and nearly pure iron composition make it suitable for various applications, including decorative ironwork, fencing, and historical artifacts.
Explanation:
Wrought iron is a form of iron that is almost entirely free from impurities and contains a very low percentage of carbon (less than 0.1%). It is characterized by its fibrous structure and is known for its high ductility and malleability.
Here are some key points that explain why wrought iron is considered the purest form of iron:
1. Carbon content:
- Wrought iron has the lowest carbon content among the given options. It contains less than 0.1% carbon, making it nearly pure iron.
- In comparison, steel contains a higher carbon content (up to 2%) which gives it greater strength but reduces its purity.
- Cast iron contains a higher carbon content (2-4%) and is known for its brittleness and inability to be forged.
- Pig iron is the crudest form of iron and has a high carbon content (3-4%). It is also brittle and cannot be used directly.
2. Impurities:
- Wrought iron is produced by a refining process known as puddling, which removes impurities such as sulfur and phosphorus.
- This process involves melting pig iron in a reverberatory furnace and stirring it to oxidize the impurities, which are then absorbed by the slag.
- The repeated stirring and oxidation help to purify the iron, resulting in wrought iron with minimal impurities.
3. Physical properties:
- Wrought iron is known for its fibrous structure, which is a result of the slag being worked into the iron during the refining process.
- This fibrous structure gives wrought iron its characteristic grainy appearance and enhances its mechanical properties, such as ductility and malleability.
- It can be easily forged, welded, and shaped into various forms without losing its strength.
In conclusion, wrought iron is considered the purest form of iron due to its low carbon content and the removal of impurities during the refining process. Its high ductility, malleability, and nearly pure iron composition make it suitable for various applications, including decorative ironwork, fencing, and historical artifacts.
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Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrou...
Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series. It is the most common element (by mass) forming the planet Earth as a whole, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust. Wrought iron is the purest form of iron. It contains less than 0.25% carbon.
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Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrought ironCorrect answer is option 'D'. Can you explain this answer? for CLAT 2026 is part of CLAT preparation. The Question and answers have been prepared according to the CLAT exam syllabus. Information about Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrought ironCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for CLAT 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrought ironCorrect answer is option 'D'. Can you explain this answer?.
Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrought ironCorrect answer is option 'D'. Can you explain this answer? for CLAT 2026 is part of CLAT preparation. The Question and answers have been prepared according to the CLAT exam syllabus. Information about Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrought ironCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for CLAT 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which is the purest form of iron?a)Steel b)Cast iron c)Pig iron d)Wrought ironCorrect answer is option 'D'. Can you explain this answer?.
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