Why does Coke remove rust better than Sprite?

Subject: Why does Coke remove rust better than Sprite?

Date: Sun Apr 9 22:59:11 2000
Posted by Lara
Grade level: 7-9 School: No school entered.
City: Chicago State/Province: Il Country: No country entered.
Area of science: Chemistry
ID: 955339151.Ch

Message:


I'm testing a "grandfathers tale" that he used Coke to remove rust from 
his car bumpers. Coke does seem to remove rust better than Sprite. But it 
doesn't all come off. It turns black on the pieces of metal I tested. What 
are the best kinds of rusted things to test. Is there a good way to clean 
with soft drinks? Why do these thing happen? This is for a science project.

Re: Why does Coke remove rust better than Sprite?

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