What cleans a penny the best?
Science Projects on Cleaning a PennyKetchup.
Soak your pennies in ketchup to clean them like new.
Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies.
Coke and off-brand colas will quickly remove the tarnish.
Vinegar and Salt..
What does vinegar do to pennies?
When you put your dirty pennies in the vinegar and salt, the copper oxide and some of the copper dissolve in the water. That means some copper atoms leave the penny and start floating around in the liquid. But when these copper atoms leave the penny, they leave some of their electrons behind.
Can water clean a penny?
There is a common trick to clean pennies where you use pennies, vinegar (acid) and salt. Now, we recently had a discussion on this board about the pH of water, and it can be somewhat acidic. So, it is possible that your water was slightly acidic and so this reaction happened over a long time.
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.
Can 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 do you clean pennies to look like new?
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.