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With organic matter from fingers (skin oil) sneezing, etc.

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13y ago

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What will happen if you rub ketchup on a tarnish penny and wash it off with water?

i think the tarnish will come of the tarnish penny


Does a penny tarnish?

no, for the 2015 penny


Is salt and vinegar removing tarnish from a penny physical or a chemical change?

Removing tarnish from a penny with salt and vinegar is a chemical change. The reaction between the salt, vinegar, and tarnish on the penny results in the formation of new substances that remove the tarnish.


How does fruit acid clean a penny?

In the periodic table of Einstein the penny is cleaned by the fruit acid dissolving the copper oxide tarnish the tarnish is then washed away which then shows the true beautiful penny beneath! Or just use sand paper.Also when the acid reacts with the tarnish or whatever you have on the penny the acids reaction is it almost like eats off the tarnish and cleans the penny!


How can you tarnish a penny?

One way to tarnish a penny is by exposing it to a mixture of salt and vinegar. This combination creates a chemical reaction that causes the copper surface of the penny to darken and tarnish over time.


Why is the penny i put in curdled milk shiny?

Lactic acid cleans the tarnish from copper


Is salt and vinegar removing tarnish from a penny a physical change?

Physical change


How cleaning copper tarnish off a penny relates to chemistry?

Tarnish can be removed from a penny by physical means; however, this tends to damage the coin and would not be an acceptable way of handling antique or valuable items. Tarnish itself consists of a number of copper compounds formed from elements and compounds that copper items come into contact with, even those that exposed only to the atmosphere. Some knowledge of chemistry is important to knowing what these compounds are, and how they might be removed, without damage being done to coins in the process.


Why would a penny become shiny if i put it in curdled milk?

Lactic acid cleans the tarnish from copper


Does soda remove tarnish from pennies?

Yes, soda can be used to remove tarnish from pennies. The carbonation in soda can help to break down and lift tarnish from the surface of the penny. However, other methods such as using vinegar or lemon juice may be more effective.


How much is 1963 golden penny worth?

The US Mint never issued a 1963 golden penny. Sometime the copper cent can tarnish to a golden hue if it is in the right environment.


Will cola clean a copper penny?

Soda pop is a mild acid, because of dissolved carbon dioxide. Acid dissolves the copper oxide tarnish that darkens the penny's color.