- Types:
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nitrogen dioxide
a highly poisonous brown gas (NO2)
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CO2, carbon dioxide, carbonic acid gas
a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
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chlorine dioxide
an explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification
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sulfur dioxide, sulphur dioxide
a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain
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blackdamp, chokedamp
the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life
