Solved UPSC CDS/OTA Question
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Q · Matter and Its States Medium · 45s
What is the process of a solid changing directly into a gas called?
TopicMatter and Its States
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
← Previous questionQ 34 / 34
Step-by-Step Solution
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Sublimation is the direct transition of a substance from solid to gas without passing through the liquid state. Example: Dry ice (solid CO₂).
Final Answer: Option C - Sublimation