If you run out of vinegar, you can also use other acidic liquids, such as lemon juice or pickle juice. What do you think would happen if you left it in for 30 seconds? What if you left it in for an hour? What would happen if you put only part of the penny in the vinegar? Make a guess and test these ideas with other pennies. Older kids: In this experiment, you left the penny in the vinegar for 10 minutes. What is different about the pennies? What is the same? Finish up by counting the pennies again and adding them to your child’s piggy bank. SIMPLE SOLUTIONS 1.02K subscribers Subscribe 6K views 3 years ago CLEANING OLD COINS Best Way to Clean Copper Coins and Silver Coins, Jewellery, Metal Detecting. Repeat the experiment and then talk again after the pennies are shiny and rinsed. Before the pennies go in the vinegar, talk about what they look like. 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. With your child, collect 10 pennies and count them one at a time. Wash Your Pennies Wash your pennies with Dawn soap, hot water, and baking soda to clean off the fingerprints, oils and dirt. For all coins and all metals the individual application and special solution. Coins spend decades in pockets, purses, drawers, banks, hands, dirt, and even gutters. Posted in Coins Old coins can get dirty, grimy and corroded over time. If you want to have clean coins, here are some of the best ways for how to clean change with items that you use every day. Younger kids: Do the experiment again with more pennies. 70 Blog » How to Clean Coins How to Clean Coins Written by Top Buyeron December 9, 2019. Cleaning Copper Pennies with the Ketchup Method How to Clean a Dirty Coin Whether you have everyday coins or collectible items, your coins are probably pretty dirty, resulting in them becoming easily corroded. Soap can clean lots of things, but it can’t dissolve copper oxides. The acetic acid in vinegar dissolves these chemicals and leaves the copper surface of the penny looking shiny. The two elements combine to form dark chemicals called copper oxides. Rub gently with a soft cloth or toothbrush and then. Pennies become dull over time as copper on the surface reacts with oxygen from the air. For cleaning copper pennies apply a small amount of ketchup to the coin and let it sit for a few minutes.
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