Solved UPSC CDS/OTA Question
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Q · Metals and Non-MetalsMedium · 45s
Which metal is used in thermometers?
TopicMetals and Non-Metals
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Mercury expands uniformly with temperature and is used in thermometers.
Final Answer: Option B - Mercury