'Ammonium Dichromate ''Volcano'', 4 of 5'

'Ammonium Dichromate ''Volcano'', 4 of 5'

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Credit: CHARLES D. WINTERS/SCIENCE PHOTO LIBRARY

Caption: Ammonium dichromate ''volcano'': when the ammonium dichromate is ignited, a chemical reaction occurs, which turns the orange salt turns grey-green, the temperature increases, and flames and sparks shoot out of the solid. Shot 4 of 5 in a sequence.

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Keywords: (nh4)2cr2o7, ammonium dichromate, chemical, chemical reaction, chemistry, demo, demonstration, dichromate, experiment, flame, flaming, pyrotechnic, react, reaction, sequence, tabletop volcano, tabletop volcanoes, vesuvian fire

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