Question

1. why do we apply paint on iron object?
2. Hydrated ferrous sulphate is a light green solid. on heating, it becomes colourless and then change s to brown solid. During this reaction, smell of burning sulphur is also obtained. give balanced chemical equation for this reaction?

Answer 1

1. We paint the iron so that it doesn't gets rusted easily.

Answer 2

we do paint on iron to prevent the iron from rust