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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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