Q. Outer space of a glass containing ice water becomes wet because

A
Ice water permeates through glass
B
The air near the glass is cooled
C
Insects bring water from nearby ponds to cool places
D
None of these
Solution:

This process is similar to what causes clouds to form and rain to fall. Moisture in the air is condensed and precipitated because of cooler temperature or similar effect. The formation of dew is almost exactly like the formation of the water droplets on the outside of a cold bottle.

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