Question

why do the articles made of iron when placed in moist air get fully covered with reddish brown powdery substance what is name of the process is the process chemical or physical change is the process reversible give reason to support your answer​

Answer 1

Answer:

The articles made of iron when placed in moist air get fully covered with reddish brown powdery substance due to rusting. It is a chemical process. No, the process is not reversible as it is a chemical process in which iron cannot be obtained back again from iron oxide.