Multiple choice

A thermostat is

  1. a device which changes the temperature of a bath

  2. an instrument by which the accuracy of the thermometer is determined

  3. a device used to maintain a constant temperature of a water bath or an oven

  4. a modern type of thermoflask

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A thermostat is a temperature-regulating device that maintains a constant temperature in systems like water baths or ovens by switching heating on/off.