Question

what is rust why do we apply paints on iron articles​

Answer 1

Rusting of iron is a redox reaction. When iron is exposed to the environmental condition it terribly reacts with water and air and ends up with iron rusting. Iron articles are therefore painted off so that iron can not react with water and air.

Answer 2

Answer:

rust is the brownish powder it occurs when we left the iron piece in air and moisture, we apply paint becoz it prevent iron from rusting

hope it will help u.