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28. The Volume of oxygen required to produce enough CO which can reduce 4gm of Fe2O3 completely at NTP 1 100ml. 2 500ml 3 680ml 4 840ml |
| Answer» 28. The Volume of oxygen required to produce enough CO which can reduce 4gm of Fe2O3 completely at NTP 1 100ml. 2 500ml 3 680ml 4 840ml | |