Feature: Acid Tests (2/20)


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DRY ICE (SOLID CO2) SUBLIMATES & ACIDIFIES WATER
CO2(s) Dropped In Water Forms Carbonic Acid
Solid carbon dioxide dropped in water with bromthymol blue indicator forms carbonic acid which changes the indicator color to yellow. White smoke is a mist of water droplets condensed from the air by cold CO2 gas.
Copyright:© 1990 Richard Megna - Fundamental Photographs