What substance cleans a dirty penny the best?

What substance cleans a dirty penny the best?

Your Materials For This Science Experiment & Steps Combined

  1. Ketchup. Soak your pennies in ketchup to clean them like new.
  2. Hot Sauce. Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies.
  3. Coke. Coke and off-brand colas will quickly remove the tarnish.
  4. Citrus Juice.
  5. Pencil Eraser.
  6. Vinegar and Salt.

Does hot sauce clean copper?

You can let the pennies sit for the hot sauce for awhile if you want but usually the bulk of the nastiness is removed upon contact. Rinse away the hot sauce with some water and claim your cleaned copper beauties.

Why does ketchup clean pennies the best?

Ketchup contains vinegar, a weak acid, which breaks down the copper oxide on the surface of the penny. The salt in the ketchup goes on to add dissolved chloride ions to the mix. These ions bond with the copper, forming copper chloride. The copper chloride helps the vinegar further break down the copper oxide.

What will make a penny shiny again?

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.

How do you clean old pennies without devaluing them?

Follow These Steps:

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

How do you clean old pennies without damaging them?

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.

Why does Coke clean a penny?

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 black?

When oxygen binds with copper, they form a new molecule known as copper oxide. Copper oxide is brownish or sometimes black in color (depending on other things in the penny’s environment). This is why most pennies you see look dirty or tarnished—it’s not actually dirt but copper oxide that makes them look so dull.

How do you clean a penny without damaging it?

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.

Is taco sauce the best Penny cleaner?

Let’s start with the hypothesis of this experiment: Taco sauce is a great penny cleaner. If this is true, then we can use the scientific method to determine the science behind this saucy secret. Place several tarnished pennies on a plate and cover them with taco sauce.

How long do you leave taco sauce on pennies?

Allow the taco sauce to sit on the pennies for at least 2 minutes. Rinse the pennies in the sink and look at the difference between the top sides of the pennies that touched the taco sauce and the bottom sides. It’s no myth—taco sauce does the trick.

What is the best way to clean a tarnished Penny?

It is also well known that a mixture of lemon juice and salt does a good job of removing tarnish from metals and works very well on pennies. By themselves, the salt and vinegar do very little in the way of removing the coating of copper oxide on the penny, but together these ingredients make a great cleaning agent.

What’s in a taco sauce?

Let’s find out . . . The list of ingredients on the packet of taco sauce reveals four substances to test: vinegar, tomato paste, salt, and water. Place two equally tarnished pennies on each of four different plates.