Presence of Water Vapour in Air
Presence of Water Vapour in Air: Overview
This topic explains concepts such as Gaseous Form of Water, Formation of Water Droplets due to Evaporation, Humidity, etc.
Important Questions on Presence of Water Vapour in Air
Why do we see water droplets on the outer surface of glass in cold water?
Humidity is the degree of hotness or coldness of an object.
Explain how high humidity makes people uncomfortable.
Why are places near the sea very humid?
What is the presence of water vapour in the atmosphere?
_____ is the process where water vapour becomes liquid.
State why do we see water droplets on the outer surface of the glass?
Higher humidity of air means _____ saturation.
(Choose from: quick/slow)
In which season is the quantity of moisture in the air high?
Which factor is responsible for sweaty feelings on a hot day? (Choose from wind speed or humidity).
The amount of water vapour present in the air at a given time is called _____.
Which of these places is most likely to have high humidity? Mark the correct answer. Give reasons for your choice.
During a cricket match, the commentators sometimes talk about the 'dew factor' which will make the ball slippery and difficult to grip. At what time of the day is this most likely to occur? Mark the correct answer.
Humidity is measured in percentage using this instrument.
The amount of water vapour present in the air is called humidity.
How will you prove that water vapour is present in the air?
Less humidity is present in the summer season than in the rainy season.
Solid carbon dioxide is called _____.
