You can conceive a penny shiny again by using positive liquids.
When pennies oxidize, the shiny copper appearance fades as it is covered in a stupid, glossy infant coating. Provided you are teaching children approximately chemical reactions and the part of acid on materials, you can exhibit this by showing the kids alternate a highly oxidized penny into one that is shiny and fantastic again. You can dash off pennies shiny by using liquids constitute in a morals galley pantry.
Instructions
1. Fill two shiny bowls with liquid; one bowl with ghastly vinegar and the other bowl with cola soda. These two liquids are highly acidic and Testament be able to revenue the oxidization off the pennies.
The oxidized coating will come off, revealing new-looking shiny pennies. Rinse the pennies in plain water.
Fill a third bowl with water and add in 1 teaspoon of dish soap. Mix well, and place the pennies in the soapy water.
4. Dip a towel in the soapy water, remove the pennies, and scrub off the pennies slightly.2. Place one oxidized penny into each bowl, and allow the pennies to sit in the liquids for at least 20 minutes. You will see the coating on the pennies start to vanish.3.
