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Chemistry

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States Of Matter

easy2019Assistant Director FIA (BS-17) 2019
ChemistryFPSC

What is dry ice?

A
Solid Oxygen
B
Solid Carbon Dioxide
C
Solid Hydrogen
D
None of these
Explanation and memory cue

Dry ice is the solid form of carbon dioxide (CO2). It sublimates at -78.5°C, turning directly from solid to gas without becoming liquid, which distinguishes it from other solids like oxygen or hydrogen.