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JAMB Chemistry 2012 Question 37

Question 37

Metals and their Compounds

The purest form of iron which contains only about 0.1% carbon is

  1. A.pig iron
  2. B.wrought iron
  3. C.cast iron
  4. D.iron pyrite.
Show the answer and explanation

Answer: B (wrought iron)

Explanation

Wrought iron has the least carbon (about 0.1%); pig and cast iron contain 3–5%.