Quick Answer: How Do You Make Pennies Look New?

What happens if you put a coin in Coke?

That’s because cola has acid in it – phosphoric acid, to be precise.

When the copper oxide (the pennies) and the phosphoric acid (the cola) get together in the bath, the acid reacts with the copper oxide on the pennies and dissolves it.

That’s why the pennies get shiny..

Why do pennies turn green?

When copper turns green-blue, that means the copper was oxidized by oxygen and chlorine (often found in salt). This oxidation reaction creates a different compound called malachite, which is green-blue in color. Keep the acid solutions that the pennies were soaking in to create copper coated nails.

How do you clean a coin without damaging it?

Place the coins in a solution of dish soap and water.If you have a particularly dirty coin, you can allow it to soak in the solution.A non-abrasive liquid solvent like distilled water and a weak soap will have enough cleaning power to clean your coins, and does not contain acids that can corrode them.

Does water or vinegar clean a penny better?

Vinegar and lemon juice both work really well for cleaning pennies. But, ketchup was the clear winners for our pennies, with soy sauce next, maybe with a little more time they would have gotten a little bit cleaner.

How do you clean tarnished pennies?

Vinegar & Salt The use of vinegar and salt to clean pennies goes way back. It works on the same principle as using ketchup (Ketchup contains vinegar, salt and tomatoes), but there is less rubbing involved. Mix up a concoction of vinegar and salt. Stir it around to dissolve the salt and then dump in your dirty pennies.

What cleans a penny the best?

Science Projects on Cleaning a PennyKetchup. Soak your pennies in ketchup to clean them like new. … Hot Sauce. Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies. … Coke. Coke and off-brand colas will quickly remove the tarnish. … Citrus Juice. … Pencil Eraser. … Vinegar and Salt.

How do you make an old penny shiny?

CLEAN PENNIES WITH VINEGARYou will need. * A few old (not shiny) pennies. * 1/4 cup white vinegar. … What to do. Pour the vinegar into the bowl and add the salt – stir it up. Put about 5 pennies into the bowl and count to 10 slowly. … How does it work? There is some pretty fancy chemistry going on in that little bowl of yours.

What causes shiny pennies to turn dull?

As they are exposed to the environment, pennies become coated with a layer of copper oxide, making them look tarnished (with a dull, brown, dirty appearance). Copper oxide dissolves in a mixture of weak acid and table salt. … The chemical reaction that dissolves the copper oxide on your pennies is an ongoing process.

How do you make coins shine like new?

Follow These Steps:In a jar, combine one cup vinegar (or lemon juice) and 1 tablespoon salt. … Pour the solution into the plastic container. … Add the coins in a single layer, so none of the coins are touching. … When you remove the coins and wipe them with a cloth or paper towel, they should look shiny.More items…•

Should you clean old pennies?

It is best not to clean rare coins as removing the patina can significantly reduce the value of them. For this reason, most coin hobbyists almost never clean their coins. In fact, 99% of coins do not increase in value after you clean them, but many will be greatly devalued.

Where can I sell wheat pennies?

All are active buyers of wheat pennies.Jake’s Marketplace.Sam Sloat Coins.Covina Coin 50 roll minimum.

Does hydrogen peroxide clean pennies?

Hydrogen peroxide can prove effective in removing various materials, including organic material. To clean using this method, place your coins in a small plastic container, fill with enough hydrogen peroxide to cover, and soak for 24 hours.

What kind of juice cleans pennies best hypothesis?

The best juice for cleaning pennies isn’t really a juice at all. Pickle juice is actually a vinegar. The reason pickle juice cleans a penny so well is it contains acetic acid, which breaks down copper oxide. The clear second place is lemon juice.

How do you clean an oxidized penny?

To remove the oxidation from copper pennies, pour about a quarter cup of white vinegar in a glass or plastic bowl and mix in about a teaspoon of salt. Stir it up till the salt is dissolved, and then toss in your pennies.

Will Coke clean a penny?

Coke and off-brand colas will quickly remove the tarnish. Just don’t drink the coke afterward. Coke contains phosphoric acid that cleans the oxides. Try a variety of citrus juices to see which works best or simply let your pennies soak in lemon juice.

How does baking soda make pennies shiny?

Create a paste with two parts baking soda to one part water. Use a microfiber cloth to rub the paste over the pennies. This will bring the shine back to the penny. Rinse the pennies thoroughly and dry them with a soft towel.