. Look at the given picture and answer the following questions.
a) Which phenomenon is being depicted in the given picture?
b) Explain the phenomenon and write the chemical reaction for the same.
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a) rusting of iron
b)Rust is an iron oxide, a usually reddish brown oxide formed by the reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances.[1] Rust consists of hydrated iron(III) oxides Fe2O3·nH2O and iron(III) oxide-hydroxide (FeO(OH), Fe(OH)3).
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