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Feature: Photo of the Month Archive (13/31)
CARBONATION OF ALKA SELTZER
Alka Seltzer Effervesces In Water
Alka Seltzer is a combination of sodium bicarbonate (NaHCO3) and citric acid. When it is dropped into water, carbon dioxide is released and bubbles up to the surface.
Copyright:© 1990 Paul Silverman - Fundamental Photographs
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