___________________ iron is the purest form of iron?
Correct answer: B. Wrought
- A. Cast
- B. Wrought
- C. Pig
- D. High silicon
Explanation
Wrought iron contains very little carbon and fewer impurities than cast iron or pig iron, making it the purest traditional commercial form of iron. Pig iron is an intermediate blast-furnace product with relatively high carbon content.
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