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TS EAMCET 20-July-2022 Shift 1 Solved Paper

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Question : 130

Total: 160

Magnetite can be reduced with CO to yield iron metal and carbon dioxide. Calculate the mass of magnetite (in kg ) needed to obtain 4kg of iron if the process is 80% efficient.
[Atomic weight of Fe and O are 56g and 16g, respectively]

15.5
5.5
17.0
6.9

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