MadSci Network: Chemistry

Subject: What is the blue substance created in electrolosys?

Date: Sun Apr 9 15:45:41 2000
Posted by Dan Freeman
Grade level: 10-12 School: Mercer Christian Academy
City: Hamilton State/Province: NJ Country: No country entered.
Area of science: Chemistry
ID: 955313141.Ch

First let me describe my experiment, it may be wrong in the first place.  
I filled a glass with water and then poured salt into the glass.  I hooked 
two wires to a 9-volt battery and then I wound the other ends to two 
pieces of graphite from a pencil.  After a while some blue stuff formed.  
Can you tell me what that is?  
P.S.  Does it matter what type of salt I was using?

Re: What is the blue substance created in electrolosys?

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