Question: What Cleans Pennies 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.

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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Will lemon juice or Coke clean a penny better?

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 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.

What is the best way to clean a coin?

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.

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.

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How long do you soak pennies in vinegar?

Let the pennies sit for 20-30 seconds.

  1. Shake the pennies at the bottom of the dish as they soak to release even more buildup.
  2. Especially dirty coins can be left to soak for up to five minutes.

Can Coke dissolve a penny?

Theoretically, yes, it will dissolve a penny, if you left it in for YEARS, and kept replenishing the Coke with fresh Coke. PENNIES ARE MADE OF COPPER, WHICH WILL DISSOLVE IN THE PRESENCE OF ACID, ONE OF THE MAIN INGREDIENTS IN ALL SODA IS PHOSPHORIC ACID. THE pH of soda is quite low, due to the phosphoric acid content.

Does lemon juice clean a penny?

Vinegar and lemon juice are acidic and will remove the copper oxide, leaving the pennies shiny.

Does lemon juice clean pennies better than vinegar?

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 liquid is used to clean 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.

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