What causes rust? What elements/chemicals are necessary for rust to occur?

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2007-01-13 12:29:05 · 2 answers · asked by ♥::♥::♥ 1 in Science & Mathematics ➔ Other - Science

Isn't H2O (water) necessary as well?

2007-01-13 12:42:39 · update #1

Rust is oxidation. Heat and oxygen can cause it (an acetylene cutting torch) or water in the case of many metals. The water provides the oxygen.

2007-01-14 13:11:07 · answer #1 · answered by Eddie M. 3 · 0⤊ 0⤋

Rust is ferrous oxide.

So you need iron (ferrous) and oxygen to combine to make the ferrous oxide.

2007-01-13 12:38:03 · answer #2 · answered by T J 6 · 0⤊ 0⤋