Webb20 sep. 2024 · The rusting of iron is a chemical change because it is two substances reacting together to make a new substance. When iron rusts, iron molecules react with … WebbRusting is a specific example of corrosion, which occurs when iron or steel reacts with oxygen and water: iron + oxygen + water → hydrated iron (III) oxide Hydrated iron (III) …

Is iron rust a Chemical or physical change? - Answers

Webb7 juli 2024 · The rusting of iron is a chemical change because it is two substances reacting together to make a new substance. When iron rusts, iron molecules react with oxygen molecules to make a compound called iron oxide. Rusting would only be a physical change if iron molecules remained pure iron throughout the process. Webb23 juni 2009 · Iron rusting is a chemical change: oxidation of the metal by oxygen in the air or water. When iron 'rusts' it oxidises. This is a chemical change, a physical change is when a molecule changes ... fresszettel

Is rusting of iron a chemical change? - Engineering Choice

WebbRust is nothing but Iron Oxide; a new substance formed out of the reaction. The colour of the surface of the iron also changes. Hence, rusting of iron is a chemical change. … Webb6 apr. 2024 · Rusting of iron Ripening of fruits Reaction between vinegar and baking soda Passing carbon dioxide gas through lime water (which produces calcium carbonate precipitate) Reaction between copper sulphate solution and iron Formation of manure (or compost) from leaves Formation of biogas from animal wastes (like cow-dung). Webb28 okt. 2010 · See answer (1) Best Answer. Copy. Chemical change, because it cannot be reversed/ cannot be undone. Iron rusting is a chemical change (Oxidization) the … fresszellen t-helferzellen