What is rust and give two methods that can be usedto prevent

Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances.

Explanation:

Ways to prevent rust are:

Paint It. Paint the bare metal with any durable acrylic paint ...

Keep Moisture at Bay. Avoid contact with water or moisture ...

Coat It With Oil. Use of oil or grease significantly reduces the chances of developing rust in iron ...

rust is a substance formed on iron coated when it reacts with water and its miosture.

two general method are--

1. after u make any object of iron wet make it dry fast.

2. coat its surface with paint or apply grease, oil or varnish.

3. also by Rusting of iron can be prevented by galvanization.