Why does carbonated soda "de-fizz" faster when you stick your finger into it when you first fill up a glass and you have mostly foam?
by 
bluedog
ANSWERS: 2
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I'm not positive that this answer is correct, but I do believe that it would be similar to the "fiz" of beer. If you use the oils from your skin, the foam disapears. I believe that the oils disolve it.
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First of all, the contact of your finger with the "fizz" when inserted will pop the bubbles it touches (caused by compression and pressure). Second of all, the oils from your skin will separate the water it touches, speeding up the process of popping the fizz bubbles that remain.
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