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Which metal exists as a liquid at room temperature?
Asodium
Bmercury
Caluminium
Dlead
Answer & Solution
Correct answer: B. mercury
1. Almost all metals are solids at room temperature.
2. The single exception is **mercury**, which is a liquid at room temperature.
3. Sodium, aluminium and lead are all solids.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch3 'Metals and Non-metals', §3.1_
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