Symbol of material used in conventional glass thermometers is

Question

Question

This question was previously asked in

OPSC OAS (Preliminary) Exam (GS) Official Paper-I (Held On: 15 Dec, 2024)

Answer 1

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.