Question

4. What is rust? How is it formed?​

Answer 1

Answer:

Rust forms when iron and oxygen react in the presence of water or moisture in the air. ... The process of rusting is a combustion reaction, similar to fire. Left in contact with oxygen, iron will react with the oxygen to form rust. Unlike fire, though, the reaction is much slower and does not create a flame.

Answer 2

Answer:

Rust is red Powder like thing with usually occur when any iron substance is kept for a long time ....