Rusting is the corrosion of Iron in which iron (Fe) combines with oxygen to form rust, or iron oxide. Fe 2 O 3 . nH 2 O is usually called as hydrated ferric Oxide.

What of these is the chemical formula of Rust?

Q. What of these is the chemical formula of Rust?
Answer: Fe₂O₃. nH₂O
Notes: Rusting is the corrosion of Iron in which iron (Fe) combines with oxygen to form rust, or iron oxide. Fe₂O₃. nH₂O is usually called as hydrated ferric Oxide.

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