Question

State whether the following is true or false.

Mercury and alcohol are used as thermometric liquids.

• A. True
• B. False

Answer 1

The correct option is A True

1. Temperature is the measure of the degree of hotness or coldness of a body.
2. Temperature of a body is measured with the help of an instrument called a thermometer.
3. There are many types of thermometers, but the most commonly used is the liquid thermometer.
4. The liquids that are used in liquid thermometers are called thermometric liquids.
5. The working of the liquid thermometer is based on the fact that liquid expands on heating and contracts on cooling.
6. The mercury and the alcohol expand rapidly and uniformly on heating.
7. Thus, mercury and alcohol are used as thermometric liquids.

Hence, the given statement is true.