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Identify the compound formed during the rusting of iron. (a) Fe2O3 (b) Fe2O3 . x H2O (c) FeO. x H2O (d) FeO

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Identify the compound formed during the rusting of iron. 

(a) Fe2O3 

(b) Fe2O3 . x H2O 

(c) FeO. x H2O 

(d) FeO

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(b) Fe2O3 . x H2O 

Fe2O3 . x H2O – Hydrated iron oxide is rust.

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