If the thought is to improve the appearance of collectable coins, cleaning of any kind will damage or severely reduce their value.Also if you use baking soda and vinigar it will explode.
A combination of vinegar and salt, or a paste of baking soda and water, can help clean a penny by removing dirt and tarnish. Gently rubbing the penny with either of these solutions can improve its appearance.
vinegar has an acid in it that dissolves microscopic particles only found on certain matals.
Vinegar, yes, but not ketchup. Vinegar cleans it because it is an acid. Actually, the best thing to use is cola or lemonade and leave the penny in some cola or lemonade for 48 hours - it normally does the trick!
Both work but Coca Cola is the best
A mixture of vinegar and salt is effective in cleaning a penny quickly. The vinegar acts as an acid to remove the tarnish, while the salt provides abrasion to help scrub away dirt and grime. Just let the penny soak in the solution for a few minutes, then rinse it off with water.
Vinegar.
penny bath
lemon juice.(:
For the best reaction in a baking soda and vinegar volcano experiment, use about 1/4 cup of baking soda and 1/2 cup of vinegar.
vitamin c.
what materital clean pennies better
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