I saw it on the web recently, a photo documented explanation demonstration of why cleaning pennies with vinegar and salt worked the best . There were at least 7 photographs, before and after pictures, very nicely composed. I'm trying to show my students how to make a great visual presentation of their experiments, using the high tech tool of their digital cameras. I can't find that web page now, and failed to fbook mark it. Help me find a quasi professional presentation, of this chemistry experiment, explanation. copper oxide, vinegar, salt, cleaning, are all key words. The explantation should also have a few chemistry oriented formulas, etc.
2007-10-05
04:03:41
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2 answers
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asked by
cityquestioner
2
in
Photography