Readers ask: Which Soda 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.

Why does Coke clean pennies so well?

That’s because cola has acid in it – phosphoric acid, to be precise. 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.

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 cleans a coin the best?

Soak dirtier coins in a cup of white vinegar — The acid in vinegar is great at dissolving stubborn stains or corrosion. You can soak the coins for at least 30 minutes, a few hours, or even overnight.

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.

Can Coke clean a penny?

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.

Can I soak coins in 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.

Will 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.

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How do you clean a coin 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.

Does hydrogen peroxide clean pennies?

Pour your coins into a bowl and pour enough hydrogen peroxide to cover the coins. Let the coins soak for 24 hours. Rinse them with water, then dry with a cloth.

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.

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.

What happens when you soak a penny 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. Like the copper atoms, each of the iron atoms that dissolves leaves two electrons behind.

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Why do pennies turn dull?

When oxygen binds with copper, they form a new molecule known as copper oxide. 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.

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