Question

9. What would happen to iron railings on the roadside if they are not painted? Why does this happen?​

Answer 1

Answer:

Explanation:

If an iron railing on the roadside is not painted then, it will undergo rusting.

This occurs due to the continuous exposure of the iron metal to air and water which rusts it. The oxygen from air and water oxidises the iron to form a complex compound which rusts the metal. So, to prevent, iron from rusting, it is often painted or galvanised.

Answer 2

Answer:

IT get rusted due to the iron react with atmospheric water present in it ,when iron railing painted it does not react