Question : Mercury is a:
Option 1: solid metal
Option 2: liquid metal
Option 3: Solid non-metal
Option 4: liquid non-metal
Correct Answer: liquid metal
Solution : The correct answer is liquid metal .
Mercury is a liquid metal at room temperature. Mercury is used in thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, mercury relays, fluorescent lamps etc.
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