This is why the penny in the ketchup turned out so much cleaner than the other condiments and water, which do not contain these elements. Basically, the vinegar is the cleaning agent and the salt gives it speed. The copper chloride helps the vinegar further break down the copper oxide. These ions bond with the copper, forming copper chloride. The salt in the ketchup goes on to add dissolved chloride ions to the mix. Ketchup contains vinegar, a weak acid, which breaks down the copper oxide on the surface of the penny. The best way to do this is with an acid and salt. In order to clean the coins, we have to use a chemical reaction. Pennies are made of copper and become dirty when copper oxide forms on their surface.This is caused by oxygen in the air reacting with the copper inside the penny, causing new shiny pennies to dull over time. What condiment cleaned the penny the best?.How do the pennies look different from what they looked like before?.Leave to soak for 5 minutes.įish the pennies out of the cups and wipe them off with a paper towel or napkin. Once clean remove salt and vinegar with hand soap and a good rinse. Allow to an additional minute at a time, as needed, to soften up the gunk enough to scrub it away. Remove from solution and scrub with a toothbrush. Place your pennies inside of the salt and vinegar solution and allow to sit for 3 minutes. The penny should be completely submerged in each of the cups. 1.In a small non-metal bowl pour 1 teaspoon of table salt and 2 tablespoons of vinegar. Observe how the pennies look and feel before placing them into the cups.Īfter noting your observations, place one penny in each cup. The water cup will represent our control cup that we can compare the other variables to. Make sure you have as many pennies and small cups as you have condiments to test.įirst, fill the small cups up with your condiments, including one for ketchup and one for water. Other condiments (mustard, mayonnaise, barbecue sauce, etc.).What do you get? Well, we can’t tell you now, since that would ruin the surprise! What you need: Let them dry completely, you don’t want any residual moisture. The best way to do this is to use a strainer. Drain, Rinse, & Dry your Copper Drain the soapy baking soda water, rinse the pennies with clean water. Take the little coins from the bottom of your piggy bank and combine them with the tasty sauces on your hot dog and hamburgers. Wash Your Pennies Wash your pennies with Dawn soap, hot water, and baking soda to clean off the fingerprints, oils and dirt.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |