Dry ice is:

Practice MCQ for SSC, UPSC, RRB Exams

A. Frozen nitrogen A.
B. Frozen oxygen B.
C. Solid CO₂ C.
D. Frozen water D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

Dry ice is the solid form of carbon dioxide (CO2).
It's called "dry ice" because when it "melts", it goes directly from a solid to a gas (sublimation) without forming a liquid. At -78°C, Carbon dioxide converts to a solid form (Dry ice).

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