Question

State the precautions for using a lab thermometre

Answer 1

Precautions that are to be followed while using a laboratory thermometer:
*Keep the thermometer in an upright position.
*Make sure the bulb of the container does not touch the bottom or sides of the container.
*Read the temperature of the object when the thermometer is in the substance.
*Do not move the thermometer while measuring the temperature.
*Keep your hand steady
**DO NOT USE THE LABORATORY THERMOMETER FOR MEASURING THE BODY TEMPERATURE.

Answer 2

Answer:

1. Do not hold the thermometer by the bulb.

2. Handle the thermometer with care. It cannot break if hit against any hard object.

3. Thermometer bulb should be surrounded from all sides by the substance whose temperature is to be measured.

4. Read the thermometer by keeping the level of Mercury along the line of sight.