Question

What precautions should be taken while using a laboratory thermometer and clinical thermometer?

Answer 1

Answer:Following precautions are needed while reading a laboratory thermometer: (i) The thermometer should be kept upright not tilted. (ii) Bulb should be 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.

Explanation:

Answer 2

Precautions Taken While Reading a Thermometer 

• Thermometer should be washed before and after use, preferably with an antiseptic solution.

• Ensure that before use the mercury level is below 350C.

• Handle the thermometer with care. ...

• Dont hold the thermometer by the bulb while reading it.