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. This is a fun experiment to try with younger kids!
What liquid would make a penny shiny?
vinegar
We can see this because, as you just saw, the vinegar, an acid, is very good at making pennies shiny! Pennies are covered in copper. Over time, they become dull as the copper reacts with oxygen in the air to form copper oxides.
Does lemon juice or vinegar clean pennies better?
Ultimately, lemon juice will clean pennies better than vinegar, though both liquids are viable cleaning options for copper. This means that lemon juice is a slightly stronger acid than vinegar. The stronger the acid, the better it will clean copper pennies.
What cleans a coin the best?
Vinegar. A common ingredient in DIY eco-friendly cleaners, the acetic acid in white vinegar can help wear away the contamination on your coins. Soak your coins in a glass or other non-corrosive container for at least 30 minutes, up to overnight, and then wipe with a clean cloth or scrub gently with an old toothbrush.
What kind of juice or liquid cleans pennies best?
You can “clean” a penny a little bit and very slowly with lemon juice or vinegar (mild acids), but put a dash of salt in the lemon juice and the penny will turn orange with a quick rub. People say that ketchup and taco sauce are good cleaners for pennies, but read the ingredients: “Tomatoes, Vinegar, Salt. . .
Which is better to clean a penny hot or cold?
Suppose your hypothesis is that hot lemon juice will clean a penny better than cold lemon juice. So you put one penny in cold lemon juice for 30 seconds and you drop one penny into boiling lemon juice, intending to leave it for 30 seconds. You want to retrieve your penny from the boiling juice but your mom yells “Whoa, you may burn yourself!
Which is liquid cleans a coin the best?
Procedure- Fill 4 cups each, one quarter full with each of the cleaning solutions. (4 with Cola, 4 with Baking Soda Paste, 4 with Orange Juice, 4 with Water, 4 with Dish Soap, 4 with Lemon Juice.) Record each coin’s condition prior to placing it into its cup. Place each type of coin into each solution. Let coins soak for 36 hours
Which is better to clean a penny vinegar or vinegar?
If vinegar has the most acid then it should clean the penny best due to the fact that the acids should eat away at the grime. By putting one penny into these different liquids for a total of seven days we will be able to find out which of the liquids listed will clean a penny better.
