The acidity in the juice removes the dirt.
lemon juice.(:
No. The orange juice has CuO which cleans the penny by dissolving the rust off of it.
lemon juice cleans a penny better
well add juice to the penny
Lemon juice. Vinegar & saltcleans it even better.
vitamin c.
Lemon juice and salt can clean a dirty penny alsovinegar and salt
apple dose
Salt &vinegar
Tabasco sauce
The acid in lemon juice helps to dissolve the copper-oxide coating made from the penny's copper and the air's oxygen.
Tomato juice should work fairly well. The best material for cleaning pennies would be to rub them with ketchup. Shines them up slick. Others think lemon juice works better. I have not experimented yet to see if there is a difference.