Question

why iron rusd when it kept outside explain with chemical reaction !! ​

Answer 1

Answer:

A change in which one or more new substances are formed is known as chemical change. For Example, when the iron is exposed to air and moisture, rust formation takes place. Rust is nothing but Iron Oxide; a new substance formed out of the reaction. ... Hence, rusting of iron is a chemical change

Answer 2

1. When iron metal is exposed outside the moisture in the air and the oxygen will react and it will rust
2. Its chemical reaction iron (Fe), oxygen (O), to form rust or iron oxide (Fe2O3) so the equation is : 4Fe+ 3O2 → 2Fe2O.
3. Hope it will help u