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The copper in the pennies reacts with the air and forms copper oxide, which is greenish in color. It is a slow process and can be reversed by cleaning the penny with an acidic solution.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agonothing makes it tarnished it is just basically and old or used penny that instead of looking shiny brown it looks dark brown or even green.
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Will coke melt a penny or nail?
Coke will not melt a penny or a nail; that process would involve heat. Instead, the acid from the soda may oxidize some of the metal atoms in the penny and the nail, causing them to become ions and soluble. The some of the metal will dissolve, causing the penny or nail to become pitted and tarnished. However, these objects will not melt.
How much penny weight makes a gram?
12
How do you use tarnish in a sentence?
the sun was tarnished by the moon.
How does soda clean a penny?
By removing some of the copper on the tarnished penny. when tarnish sets on a penny it becomes dull and loses it shine .the acid which acts like a cleanser takes off the build up of tarnish and brings back the shine of the copper that pennies are made of
Is it physical or chemical change a silver spoon tarnished?
a chemical change
What are some examples of physical changes for a tarnished penny?
Scratching it
What is a tarnished penny?
A tarnished penny is a penny that has been discolored or dulled due to oxidation of the metal surface, usually resulting in a dark or dirty appearance. Tarnishing can occur over time when the penny is exposed to air and moisture.
How does a soft drink clean a penny?
The acid in the drink gets into the tarnished or the dirt particles and will clean it but you might have to leave it in for a few days.
What makes a better conductor a penny or nickel?
penny
What will a penny do in vinegar after 30 minutes?
If you have any tarnished pennies in your penny jar, you can easily clean them in vinegar. If you leave your pennies in white vinegar and salt for about 30 minutes and they will come out shiny and pretty clean. Be sure to rinse the vinegar off.
Will coke melt a penny or nail?
Coke will not melt a penny or a nail; that process would involve heat. Instead, the acid from the soda may oxidize some of the metal atoms in the penny and the nail, causing them to become ions and soluble. The some of the metal will dissolve, causing the penny or nail to become pitted and tarnished. However, these objects will not melt.
Can you put tarnished in a sentence?
I have three items of tarnished silver jewellery
Is tarnishing a physical property or a chemical property?
chemical, because when a penny is tarnished its a chemical change because, its weathered down its destroyed. The tarnish itself is usually either the oxide and/or sulfide of the underlying metal.
When was The Tarnished Eye created?
The Tarnished Eye was created in 2004.
What makes a penny rust?
i know a penny can rust, but im not sure what makes a peny rust! i, too, hope to find out!
Canada bicentenial penny value?
Five cents in uncirculated condition. If the coin is worn/tarnished/shows signs of being in circulation, it may only be worth its face value.
What is a sentence for penny?
100 penny makes a dollar. Every penny counts, my friend!
