What is Dry Ice?

  1. Solid Carbon Dioxide
  2. Liquid Nitrogen
  3. Ice Cubes and Saw dust
  4. Ice Cubes and Salt
Monis Rasool Professor Asked on 18th May 2015 in Chemistry.
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    Solid Carbon Dioxide

    Dry Ice is the common name for solid carbon dioxide (CO2). It gets this name because it does not melt into a liquid when heated; instead, it changes directly into a gas (This process is known as sublimation). It is manufactured by Compressing and cooling gaseous CO2 under high pressure to initially produce liquid CO2. Due to its extremely low temperature of -78 degree, dry ice is often used as an alternative to refrigeration for foodstuffs and medical supplies. In addition, special dry ice pellets are used for industrial cleaning.

    Monis Rasool Professor Answered on 19th May 2015.
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