Question

What precautions should be taken while using chemical and laboratory thermometer

Answer 1

Step-by-step explanation:

Never hold the thermometer by the bulb while reading it.

Wash the thermometer with water or antiseptic solution before and after use.

While performing the experiment, don’t touch the bulb of the thermometer with the wall of the beaker.

Read the thermometer keeping the level of mercury along the line of sight.

Answer 2

Answer:

•we should not wear long and loose dresses

•we should not leave our hair loosely

•always we should keep away our face while handling with chemicals.

•you should wear gloves .

•we should always wash the material used for experiment and your hands cleanly .