Question
Iron sheet kept in moist air covered with rust. Rust
isÂSolution
Rust is an iron oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture 4Fe+2Oâ‚‚  +x Hâ‚‚ O → 2Feâ‚‚  O₃ - x H₃ O Hence rust is a compound.Â
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