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Which of the following substances is known as Dry Ice?
Question



Which of the following substances is known as Dry Ice?


A.

 Solid Carbon Dioxide 


B.

Solid Oxygen

 

C.

Liquid Hydrogen


D.

 Liquid Nitrogen

Correct option is A

 • Dry Ice is the solid form of carbon dioxide (CO₂).

• It is called “dry” because it does not melt into liquid, but directly changes into gas (sublimation).

Information Booster:
• Temperature of dry ice = −78.5°C

Additional Knowledge:
• Uses:

  • Food preservation

  • Fog effects in stage shows

  • Medical transport

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