Question
Practical uses of $CO_2$.

Answer

  • $CO _2$ is used to make aerated drinks.
  • $CO _2$ obtained by chemical reaction or kept under pressure is used in fire extinguishers. Liquified $CO _2$ is used to remove caffeine from coffee.
  • Liquid $CO _2$ is used as solvent in modem eco-friendly dry cleaning.
  • Solid carbon dioxide is used in cold storage and to keep milk and milk products and frozen substances cool during transport. It is also used for getting special effects of a mist in dramas and movies.

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