Question : Dry ice is the solid form of:
Option 1: Air
Option 2: Carbon Dioxide
Option 3: Nitrogen
Option 4: Water
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Correct Answer: Carbon Dioxide
Solution : The correct answer is Carbon Dioxide .
The formation of dry ice, solid Carbon Dioxide (CO 2 ), is based on the principles of sublimation and temperature. Carbon dioxide undergoes pressurization and cooling, transitioning directly from a gas to a solid through sublimation. This occurs at around -78.5 degrees Celsius (-109.3 degrees Fahrenheit). The resulting solid CO 2 , known as dry ice, is collected and compressed into blocks or pellets.
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