Question

(ii)Describe the activity to show that water is present in the air.

Answer 1

Answer:

Activity: Take ice cubes in a beaker and kept it open place for some time. You will notice that around the beaker there are some water droplets. This droplets formed are due to condensation of water vapor around the beaker. This confirmes the presence of water vapour in air.

Answer 2

from hydrometer we can find the water vapour pressure in the atmosphere and by condensation process we can find easily