Question 24
Change of State and VapoursThe temperature at which the water vapour present in the air just sufficient to saturate the air is
- A.ice point.
- B.saturation point.
- C.dew point.
- D.boiling point.
Show the answer and explanation
Answer: C (dew point.)
Explanation
The dew point is the temperature at which the water vapour already in the air is just enough to saturate it, so dew starts to form.