Its acids
lemon juice cleans a penny better
lemon juice.(:
Lemon juice. Vinegar & saltcleans it even better.
lemon juice, because it has antioxidense!>*^#$
Lemon cleans pennies the best because of the acid in the juice.
Salt &vinegar
The acid in lemon juice helps to dissolve the copper-oxide coating made from the penny's copper and the air's oxygen.
I use Lemon juice to clean pennys it work out great! Lemon juice has a lot of acid so it is reasonable for lemon juice to clean pennys best. Hope this answer helps you! Your friend/answer person XXFKXX
orange works better because it has more citric acids than apple juice does, all the apple juice will do is make the penny stickier.
Lemon juice and salt can clean a dirty penny alsovinegar and salt
Lemon juice contains citric acid which can help remove tarnish from pennies, while bleach can corrode the metal. However, a vinegar and salt solution is often more effective for cleaning pennies as the combination of acid and salt acts as a gentle abrasive.
Most likely Citrus such as lemon or orange.