Experimental Procedure. Fill four cups each one quarter full with each of the six cleaning solutions suggested (4 with lemon juice, 4 with orange juice, 4 with cola, 4 with water, 4 with baking soda paste and 4 with dish liquid). Carefully record each coin's condition prior to placing it into its cup.
How to Clean Your Pennies. Put the pennies in the container. Add the juice. Let the pennies sit. If you have a lot of pennies, shake the jar a few times a day to make sure the juice covers all of them. After all the copper oxide is gone, use a strainer to drain the juice. Rinse with cool water.
STEP2 â€“ Pour out a glass of your cola. STEP3 â€“ Cover one side of each coin with Blu-Tac but leave the other side open. STEP4 â€“ Pop your coins into your glass .
Science Projects on Cleaning a Penny. 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.
CLEAN PENNIES WITH VINEGAR. The project above is a DEMONSTRATION. To make it a true. Does this cleaning chemistry work on other coins? 3.
2015-2016 Projects > â€Ž. Take out the coins, and place them on a paper towel.. I rated them on a 1-10 scale from how well the solutions cleaned the coins, .
Which cleaning solution works best? > How much effort does it take? > Do the copper pennies get cleaner than the other coins? > Do the oxidized coins get .