What Cleans Pennies The Best Science Project?

What liquid cleans pennies the best science project?

What liquid cleans pennies best science?

  • 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.

Which substance cleans a penny the best?

Vinegar (or Lemon Juice) and Salt This method is the best way to clean your pennies, and it will produce a very bright orangey-copper color on your pennies.

What cleans pennies the best and why?

Why did the vinegar and salt clean the pennies? 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.

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.

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What liquids clean coins?

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.

Why does lemon juice clean pennies better than vinegar?

Vinegar has a pH level of 3.0, while lemon juice has a pH level of 2.3. This means that lemon juice is a slightly stronger acid than vinegar. The stronger the acid, the better it will clean copper pennies.

Why do pennies lose their shine?

All pennies start out the same color—bright copper. But somewhere along the way, those pennies lose their luster. The negatively charged oxygen atoms in our air are attracted to the positively charged copper atoms in the penny. When oxygen binds with copper, they form a new molecule known as copper oxide.

How do you clean dirty coins fast?

Take the coins out and sprinkle some baking soda over them; then use a soft-bristled toothbrush to brush them clean. Rinse them out thoroughly with hot water; using tongs or gloves to hold them to avoid burning your fingers. Place them on a soft, cotton towel and leave to air dry.

Why do pennies turn green?

A penny is made of copper. The vinegar on the paper towel helps the copper in the penny easily react with the oxygen in the air to form a blue-green colored compound called malachite.

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Can you clean pennies with toothpaste?

Don’t use toothpaste – Toothpaste is extremely abrasive. It can make your coins appear shiny, but cause significant damage to the surface. Don’t use vinegar and baking soda – When put together, these two common household items create a potent, fizzy mixture that can clean dirt from coins.

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.

Can ketchup clean a penny?

Soak your pennies in ketchup to clean them like new. Well, after you wash the ketchup off, that is. The salt and acetic acid in vinegar do the trick. Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies.

How do you clean a penny with Coke?

Simply place one coin in a glass or tub and pour coke over the top, enough so that it is fully submerged in the liquid. Leave the coin to soak for about 5 minutes or so and then check on its condition. If you feel that it needs longer, you can soak it for up to 15 minutes.

How do you clean a shiny penny?

Directions:

  1. Add vinegar to one bowl (enough to cover penny)
  2. Add soap to a second bowl (enough to cover penny)
  3. Add water to a third bowl (enough to cover penny)
  4. Make a hypothesis of which liquid will make a penny shine.
  5. Wait 20 minutes.
  6. Rinse pennies and dry with towel.

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