Does Brass Rust?

Answer

Brass is composed of copper and zinc and when it is exposed to the air, some brass alloy mixtures turn brown just like copper, but it does not rust. Tarnish is totally different from rust, while rust forms on ferrous metals as they oxidise, tarnish forms on particular non-ferrous metals such as brass as they chemically react to sulphur dissolved in the air.
Q&A Related to "Does Brass Rust?"
The most commonly seen corrosion on brass fittings is cupric oxide or copper (II) oxide, which forms a black patina on the surface of the fitting. Cupric oxide is the product formed
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Green.
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brass actually oxidizes because of the exposure to oxygen. Oxidation is the interaction between oxygen molecules and all the different substances they may contact, from metal to living
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The chlorine ion is extremely electronegative, and therefore very reactive with certain compounds and elements. It rusts nickels and brass but not as fast. report this answer. Updated
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