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| Q. |
Pick up the correct statement from the following: |
| A. | In basic Bessemer process, the steel heats the converter |
| B. | In open-hearth process, the furnace heats the steel |
| C. | In Siemens process, the impurities of pig iron are oxidised by the oxygen of the ore |
| D. | All the above |
| Answer» D. All the above | |
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