KCET 2009 Chemistry Solved Paper

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Question : 21 of 60

Marks: +1, -0

The order of stability of metal oxides is

Fe2O3<Cr2O3<Al2O3<MgO
Fe2O3<Al2O3<Cr2O3<MgO
Al2O3<MgO<Fe2O3<Cr2O3
Cr2O3<MgO<Al2O3<Fe2O3

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