_________ is the process in which water vapour from the air turns back into the water.
Condensation is the process where water vapour becomes liquid.
Question 6
Transpiration is a process in which plants
(a) receive water from the soil (b) Absorb water vapour from the air (c) prepare food from the water (d) release water in the form of water vapour
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of : (a) oxygen (b) carbon dioxide (c) nitrogen (d) water vapour
Which of the following statements are ‘True’?
(a) Water vapour is present in air only during the monsoon. ( )
(b) Water evaporates into air from the oceans, rivers, and lakes, but not from soil. ( )
(c) The process of water changing into its vapour is called evaporation. ( )
(d) The evaporation of water takes place only in sunlight. ( )
(e) Water vapour condenses to form tiny droplets of water in the upper layer of air, where it is cooler. ( )