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LEMON REMOVES TARNISH FROM COPPER PENNIES<br />
(2 of 2)<br />
Citric Acid and Copper Oxide<br />
A circle of shiny pennies is created by the reaction between citric acid of the lemon & the copper tarnish.

Fphoto-50200011B-2PS.jpg

LEMON REMOVES TARNISH FROM COPPER PENNIES
(2 of 2)
Citric Acid and Copper Oxide
A circle of shiny pennies is created by the reaction between citric acid of the lemon & the copper tarnish.

Copyright:© 2000 Paul Silverman - Fundamental Photographs

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