Why does citric acid clean pennies?

Answer A combination of copper oxide and dirt form on most pennies over time as they are exposed to the air and the dirt and oils on human skin. Dark, dirty pennies can be cleaned with a simple solution o... Read More »

Top Q&A For: Why does citric acid clean pennies

Does Citric Acid or Tannic Acid Clean Pennies Best?

Cleaning pennies with citric acid is a popular method to revitalize tarnished coins. The acid works by dissolving the tarnish that is actually copper oxide, which then allows the natural shine of t... Read More »

Citric Acid to Clean Toilet Bowls?

Citric acid is a weak acid found in fruits such as lemons and oranges. You can also find it in commercial fruit drinks and certain household cleaning supplies. Like other acids, citric acid can hel... Read More »

How to Clean a Water Distiller With Citric Acid?

To keep your water distiller working its best, the boiler chamber needs to be cleaned periodically. Over time, you will notice white scale building up inside the boiler, which is made of salts and ... Read More »

Does spinach have citric acid?

Fresh spinach contains no citric acid on its own. Depending upon how it's processed, canned or frozen spinach may contain citric acid. Citric acid is used as a preservative, and occurs naturally in... Read More »