MadSci Network: Chemistry
Query:

Subject: Why does the tarnish on a pennie dissapear when you put in lemon juice?

Date: Tue Jun 2 08:46:49 1998
Posted by Chris Look
Grade level: 4-6
School: Oak Bluffs
City: Oak Bluffs State/Province: Ma
Country: U.S.
Area of science: Chemistry
ID: 896795209.Ch
Message:

I put a tarnished penny in some lemon juice that also had some salt 
in it and the tarnish dissapeared.  Please tell me why this happened?




Re: Why does the tarnish on a pennie dissapear when you put in lemon juice?

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