GATE MT 2015 Q43. An iron blast furnace produces hot metal containing 95% Fe. The iron ore charged into the furnace contains 95% Fe2O3 and the rest is gangue. Assume that all the iron in the ore goes to the hot metal. The amount of iron ore (in kg) required for producing 1000 kg of hot metal is _____. Given, Atomic weight of Fe= 56 g mol-1 and that of Fe2O3 = 160 g mol-1.