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chemical rections

Tags: Chemical, Colour, Chemical Reactions
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Post: # 3,441,347
View Profile kirkster
 
Reply Fri 17 Oct, 2008 03:09 pm
is there a chemical which changes colour when it makes contact with the skin, or a chemical in the skin?
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Type: Question • Score: 0 • Views: 49 • Replies: 1

 
Post: # 3,443,112
View Profile Miller
 
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Reply Sun 19 Oct, 2008 01:14 am
yes
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