Question

what is rust...... ​

Answer 1

Answer:

The coting of Brown ,flasky substance on the surface of iron when it is kept exposed in moist air is called rust.

Answer 2

Answer:

Hey mate,here is your answer.

When an iron object is exposed to moist air for quite sometime then iron gets converted into reddish-brown flaky substance known an rust.

Hope it will help you.