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The valency of hydrogen is one, as per the molecular formula H2O. Therefore valency of 'Fe' turns out to be ______ as per the formula Fe2O3. - Marathi (Second Language) [मराठी (द्वितीय भाषा)]

The valency of hydrogen is one, as per the molecular formula H₂O. Therefore valency of 'Fe' turns out to be ______ as per the formula Fe₂O₃.

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The valency of hydrogen is 'one as per the molecular formula H₂O. Therefore valency of 'Fe' turns out to be three as per the formula Fe₂O₃.

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