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Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
A$\mathrm{Fe}_3\mathrm{O}_4$
BFeO
C$\mathrm{Fe}_2\mathrm{O}_3$
D$\mathrm{Fe}_2\mathrm{O}_3$ and $\mathrm{Fe}_3\mathrm{O}_4$
Answer & Solution
Correct answer: A. $\mathrm{Fe}_3\mathrm{O}_4$
This Metals and Non-metals item tests a core Chemistry concept.
Correct answer: $\mathrm{Fe}_3\mathrm{O}_4$.
_Source: NCERT Exemplar Science Class 10 (NCERT)_
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