Question: Which Juice Cleans Pennies Best Science Project?

What cleans a penny better science fair project?

Create a solution of vinegar and salt using one teaspoon of salt and 1/4 of a cup of vinegar. Mix until the salt is dissolved (it helps if the vinegar is a little warm). Add the pennies. Wait about 5 minutes, then remove the pennies from the solution.

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.

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.

You might be interested:  Veterinary Science Studies What Aspect Of Animals?

What solution cleans coins the best?

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.

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.

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 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 baking soda clean pennies?

Cleaning Coins With Baking Soda As a gentle abrasive, baking soda is great for getting into the tiny nooks and crannies of coins to polish away the last traces of dirt and tarnish. Simply rub the surface of each penny with a pinch of dry baking soda or alternatively, a paste of baking soda with a little water.

You might be interested:  FAQ: Which Of The Following Would Be Considered Basic Science Questions?

Does lemon juice clean a penny?

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

Why do pennies get clean in vinegar?

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. So you’ve got positively charged iron ions floating in your vinegar with the positively charged copper ions.

How does lemon juice make pennies shiny?

Put a dirty penny in the cup and cover it with lemon juice. Wait about five minutes then remove the penny and wipe it off with a paper towel. Try the taco sauce to see which works better.

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.

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.

You might be interested:  Often asked: What Is Community Science?

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.

Leave a Reply

Your email address will not be published. Required fields are marked *