Cleaning copper pennies is a common household task that can be done using a variety of methods. Pennies made before 1982 are made of copper and can be cleaned to remove tarnish and restore their original shine. Cleaning copper pennies can also be a fun and educational activity for children.
There are a few different ways to clean copper pennies. One method is to use a vinegar and salt solution. To do this, simply soak the pennies in a solution of equal parts vinegar and salt for a few hours. The pennies will then need to be rinsed with water and dried thoroughly.