Exactly why does the solution burn?

Subject: Exactly why does the solution burn?

Date: Mon May 16 21:39:43 2005
Posted by KC
Grade level: 7-9 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Chemistry
ID: 1116297583.Ch

Message:


I mixed 1 tsp baking soda in cup of water. With a Q-tip, wrote a message on 
paper with the solution and let it air dry (invisible ink).  Heated the paper 
with an iron and the writing turned brown.  Can you explain the reaction?

Re: Exactly why does the solution burn?

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