Question

Which of the following is necessary for rusting of iron ?

A. Dry air B. Moist air

C. Distilled water D. Oxygen and CO2​

Answer 1

Answer:

The item necessary for rusting of iron is

${\huge{\boxed{\boxed{\blue{Moist\:Air}}}}}$

Hope this helps you.

Answer 2

Answer:

(d) oxygen and carbon di oxide