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How does soda clean a penny?

Updated: 8/10/2023
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Wiki User

13y ago

Best Answer

By removing some of the copper on the tarnished penny. when tarnish sets on a penny it becomes dull and loses it shine .the acid which acts like a cleanser takes off the build up of tarnish and brings back the shine of the copper that pennies are made of

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14y ago
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Ankush Roy

Lvl 1
1y ago
cool
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13y ago

the citric acid and the concentrated acid from the soda causes the penny to get bleached.

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14y ago

White vinegar, an acid, will do nicely. But, you don't want to leave it in too long.
what happens if you leave it in to long?

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12y ago

The answer is yes and I know because I did it as a Science Fair project.

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14y ago

the acid burns off all the durtyness

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Q: How does soda clean a penny?
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