Question

what do you mean by rusting of iron

Answer 1

when we keep an iron nail in direct sunlight for a few days there will be some brown colour formation .This is meant by rusting of iron

Answer 2

       $\bold{Rusting}$   ● We all must have observed newly bought iron, a silver or copper article appears very shiny but with passage of time they get dull.   ●This is due to the layer of metal oxide that develops on their surface. Rusting of iron, silver jewellery getting tarnished or copper articles getting covered by green layer.   ●Metals react with atmospheric oxygen and produces metal oxides that are basic in nature because they react with water to form bases.  ☆Iron + oxygen + water --》 Rust☆}[\te ______________________________ Hope it helps:)