When you pour soda in a cup, how come the foam?!


Question: When you pour soda in a cup, how come the foam!?
stays foamy for a long time but whenyou stick your finger in it the foam goes down fast!.Www@FoodAQ@Com

Answers:
the carbonation in the soda reacts and gets moved around and that is why it rises

when you stick your finger in the soda, it basicly nutralizes itWww@FoodAQ@Com
I think it is the warmth from your finger!.Www@FoodAQ@Com


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