GK Question

science medium mcq

Which metal is liquid at room temperature?

  1. Sodium
  2. Mercury
  3. Iron
  4. Aluminum

Answer: Mercury

Mercury (Hg) is the only metal liquid at standard room temperature (25°C) due to weak metallic bonding. It's used in thermometers, barometers, and electrical switches. Bromine is the only non-metal liquid at room temperature. [[NCERT Chemistry Class 10]]

Topic Chemistry - Metals and Non-metals
Exam Relevance Railway JE, SSC CGL, UPSC NDA