Question

what is the use of insulating lid in calorimeter​

Answer 1

Answer:

A calorimeter uses an insulated lid, or insulated surroundings. In the CAL2K the polystyrene surrounding is used as insulation to keep the heat of the liquid or solid sample during a reaction for an accurate measurement in the change of temperature to provide the best possible accurate results.

Answer 2

it is so to minimize heat loss through various process such as convection ,etc