Question

Q.13 of 17
Give reasons: (1+1)
(i) Water droplets appear on the
outer surface of bottle containing
cold water.
(ii) Sponge, though compressible is
a solid.
(2 marks)​

Answer 1

Answer:

This phenomenon is known as condensation. Cold water inside the water tries to cool down The water vapor in air which comes in contact with wall of glass and due to low temperature the vapor liquid and appears as water droplets on the outside of glass.

Answer 2

Explanation:

i . due to process of. condensation

ii. beacuse of presence of air cavities inside sponge