Symbol of material used in conventional glass thermometers is

This question was previously asked in
OPSC OAS (Preliminary) Exam (GS) Official Paper-I (Held On: 15 Dec, 2024)
View all OPSC OAS Papers >
  1. Mg
  2. Hg
  3. Me
  4. Mn

Answer (Detailed Solution Below)

Option 2 : Hg
Free
ST 1: General Studies (Indian Polity - I)
1.1 K Users
50 Questions 100 Marks 60 Mins

Detailed Solution

Download Solution PDF

The correct answer is Hg.

Key Points

  • Hg stands for Mercury.
  • Mercury is a chemical element with the symbol Hg and atomic number 80.
  • It is commonly used in thermometers due to its ability to expand and contract uniformly with temperature changes.
  • Mercury remains in liquid form at a wide range of temperatures, making it ideal for use in thermometers.

Important Points

  • Mercury is a heavy, silvery d-block element that is liquid at room temperature.
  • It has been used in thermometers, barometers, and other scientific instruments.
  • Mercury is also used in dental amalgams, fluorescent lighting, and some electrical switches.
  • Due to its toxicity, the use of mercury is being phased out in many applications in favor of safer alternatives.

Additional Information

  • Mg: Magnesium is a chemical element with the symbol Mg and atomic number 12. It is not used in conventional glass thermometers.
  • Mn: Manganese is a chemical element with the symbol Mn and atomic number 25. 
Latest OPSC OAS Updates

Last updated on May 16, 2025

-> OPSC OCS Exam will be held in the month of September or October

-> The OPSC Civil Services Exam is being conducted for recruitment to 200 vacancies of Group A & Group B posts.

-> The selection process for OPSC OAS includes Prelims, Mains Written Exam, and Interview.

-> The recruitment is also ongoing for 399 vacancies of the 2023 cycle.

-> Candidates must take the OPSC OAS mock tests to evaluate their performance. The OPSC OAS previous year papers are a great source of revision.

-> Stay updated with daily current affairs for UPSC.

Get Free Access Now
Hot Links: teen patti master golden india teen patti apk download teen patti lotus