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DRY ICE (SOLID CO2) SUBLIMATES & ACIDIFIES WATER
(2 of 2)
Demonstrated With Bromthymol Blue Indicator
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:© 1993 Richard Megna - Fundamental Photographs
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