In color theory, a purple is defined as any non-spectral color between violet and red (excluding violet and red themselves). The spectral colors violet and indigo are not purples according to color theory but they are purples according to common English usage since they are between red and blue.
Dry ice fog is a thick, dense, low-lying fog created exactly the way fog in nature is. created, by condensing water vapor out of the atmosphere. We use dry ice (the. solid form of carbon dioxide) to condense the water vapor out of the air. Dry ice. fog contains no chemicals, glycols, or oils, and is truly a water based fog.
Dry ice, or solid carbon dioxide, is the solid state of CO 2 gas below -109.3 Â°F (-78.5 Â°C). Dry ice does not occur naturally on earth but is man made. It is colorless. We can use dry ice for making drinks fizzy, killing gophers, and freezing warts. The vapor of dry ice causes suffocation and eventually, death.