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Q. |
Pick up the correct statement from the following: |
A. | Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon |
B. | The edges of a finished wrought iron are rough due to red shortage |
C. | Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4) |
D. | All the above |
Answer» D. All the above |
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