Question

what precautions must be followed while using a laboratory thermometer

Answer 1

Following precautions are neededwhile reading a laboratory thermometer: (i) Thethermometer should be kept upright not tilted. (ii) Bulb shouldbe surrounded from all sides by the substance of which the temperature is to be measured. (iii) The bulb should not touch the surface of the container.

hoping helps you any doubt comments below follow me