Question

3 precautions to be observed while reading the chemical thermometer

Answer 1

hey there!!
♦ The thermometer should be washed before and after use , preferably with an antiseptic solution.
♦ Ensure that before use ,the mercury level is below 35°C.
♦ Read the thermometer keeping the level of mercury along the line of sight.

hope it helps..

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.