Coins and Paper Money
Chemistry
US Coins

How do you remove tarnish from a penny?

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Answer

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Wiki User
12/09/2010

it depends on what you try to clean it with, things like lemon juice may work but im doing an experiment to find out what cleans pennies the best

Im doing one too, and I read that pennies lose tarnish faster when you mix salt in lemon juice, or any other mild acid. It creates a sort of hydrocloric acid that cleans the tarnish right off. It also explains why your stomache hurts if you chug too much beer salt x.x

-Aflay