Which instrument is used to measure humidity?
- AHydrometer
- BHygrometer
- CPyrometer
- DLactometer
- ENone of the above/More than one of the above
Show answer and explanation
Correct answer: (b) Hygrometer
Explanation
A hygrometer measures the humidity (moisture) of the air.
A hydrometer measures the density of liquids, a pyrometer very high temperatures, and a lactometer the purity of milk.