Question

The thermometric liquid used to measure upto $-100^{\circ }C$ is

• A. alcohol
• B. mercury
• C. water
• D. benzene

Answer 1

Answer: (A)

Liquid thermometers use liquid as a thermometric substance to measure temperature.

Alcohol thermometers (freezing point $-114^{\circ }C$ ) can measure temperatures close to absolute temperature as low as $-100^{\circ }C$.