Question

why do we prefer to use Mercury thermometer over alcohol thermometer?​

Answer 1

Answer:

It is more durable than alcohol thermometer because mercury does not evaporate easily. It is smaller in size as compared to alcohol one. Mercury does not wet the wall of the thermometer, which means that results can be highly accurate.

Explanation:

Hope it helpful ✌️✌️

Answer 2

Answer:

Mercury has a greater coefficient of thermal expansion than alcohol. This means a column of mercury will expand and rise more than a column of alcohol for the same temperature change. As a result, you can get finer readings with mercury.