Copper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange juice, because those juices are acids, too.
What liquid cleans pennies best science?
Your Materials For This Science Experiment & Steps Combined
- Ketchup. 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.
What cleans an old penny experiment?
What You’ll Do
- Guess which liquid will make a penny shine.
- Set one penny aside.
- In one cup, pour enough vinegar to cover the penny.
- In the other cup, pour enough liquid soap to cover the penny.
- Wait at least ten minutes.
- Remove the pennies, rinse them in water, and rub them with a paper towel.
- Compare all three pennies.
Will lemon juice clean a penny?
Place a penny in a nonreactive cup or bowl. Cover the penny with about an inch of lemon juice. Bottled or fresh-squeezed lemon juice will work. Any remaining dirty coating, which is actually copper oxide, will rub off as an orange stain on the paper towel, leaving the penny clean and shiny.
Does water or vinegar clean a penny better experiment?
The “dirt” on the pennies was a new chemical substance called copper oxide. It doesn’t easily come off, as you found out by trying to scrub them with plain water. When you mix the salt and vinegar, however, this makes a new substance, too; a type of acid. This acid is really good at breaking down the dirty pennies.
Which is the best beverage to clean pennies best?
Apple juice. Sit overnight in a jar; your penny will be clean the next day you look at it when you take it out. ! Okay then, on this page we have claims that lemon juice is best, that coke is best; that tomato juice works well, and that apple juice is best.
Can you use vinegar and salt to clean pennies?
Not quite! The pennies won’t necessarily be clean but dull. If you use vinegar and salt correctly, the pennies will turn out clean and shiny. Guess again! Want more quizzes? Keep testing yourself! Locate a cup and some ketchup. This method also works with Tabasco sauce.
What’s the best way to get copper off of pennies?
If you don’t have vinegar, use lemon or even orange juice. Copper oxide (the gunk on your pennies) dissolves in weak acid, and that’s just what all three of these liquids are. Place your pennies in the vinegar or the lemon juice.
What kind of sauce to use to clean pennies?
Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies. As in ketchup, salt and vinegar are both in hot sauce. 3. Coke
