Question

A form of iron that contains 2-4 percent carbon and is the most impure form of iron................. ​

Answer 1

Answer:

Cast Iron

Cast iron or Pig-iron : It is most impure form of iron and contains highest proportion of carbon (2.5–4%).

Explanation:

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Answer 2

(1) Cast iron or Pig-iron : It is most impure form of iron and contains highest proportion of carbon (2.5–4%).