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Question


The transition of a substance directly from the solid to the gaseous phase without passing through the intermediate liquid phase is known as ___.


Options:
A .   boiling
B .   melting
C .   sublimation
D .   freezing
Answer: Option C
:
C

Sublimation is a process where a solid turns into a gas without going through a liquid stage. Solid carbon dioxide which is more commonly known as "dry ice" sublimates at room temperature.



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