Question

what is rusting and its formulas​

Answer 1

$<div class="rainbow-text"></p><p><span style="color:#ff00ff">A</span><span style="color:#ff00cc">n</span><span style="color:#ff0099">s</span><span style="color:#ff0066">w</span><span style="color:#ff0033">e</span><span style="color:#ff0000">r</span> </p><p></div>$

➡️ Rust is an iron oxide, a usually red oxide formed by the redox 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. 

➡️ Rust consists of hydrated iron(III) oxides Fe2O3·nH2O, iron(III) oxide-hydroxide (FeO(OH), Fe(OH)3. Rusting is the common term for corrosion of iron and its alloys, such as steel.

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Answer 2

Answer:

Eating up of metal is called rusting.

Its happens due to moisture present in air.

❤Formula of rust is fe2o3.