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What causes rust on a penny?
When a penny turns green, the penny is not actually rusting. When copper reacts with acid, it forms a green substance on the penny called copper acetate. This process is a chemical reaction in which...
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What will cause rust on a penny?
Leave it in salt water overnight and it will start to rust. Copper rusts a green color. You can accelerate the action with a little bleach if you really want it to rust quickly.
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Basic liquids that cause a penny to rust?
water
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Do pennies rust in water vinegar and bleach?
A mixture of water, vinegar, and bleach is corrosive to most metals. If pennies are placed in it, the copper will oxidize. Rusting is a term only applying to the oxidization of iron, not other...