Solved UPSC CDS/OTA Question
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Q · Matter and Its States Medium · 45s
Which of the following shows expansion on freezing?
TopicMatter and Its States
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Water expands when it freezes due to its open hexagonal structure in ice.
Final Answer: Option A - Water