Question

We cannot use laboratory thermometer to measure our body temperature. Give reason

Answer 1

Answer:

because they measure Temperature of chemical they are special thermometer which is used in only used in laboratory

Answer 2

The temperature in a laboratory thermometer should be noted while keeping it in  contact with the object and not when it is removed. As it does not have a kink, mercury  level starts falling on its own when we take it out from our body and does not give the  correct temperature of the body.