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b) ice in water

                         c) liquid in water


                         d) water vapour and liquid water in air
                 Q.9     Evaporation of a liquid at room temperature leads to a…………… effect.


                 Q.10    The phenomenon of change of liquid into its vapours at any temperature
                         below its boiling point is called………..


               SUBJECTIVE
                 Q.1     Evaporation is a bulk phenomena (TRUE/FALSE)

                 Q.2     Which one is faster boiling or evaporation?
                 Q.3     Tarun got an invitation to attend a party. On coming to his place, he found
                         that both shirt and pant were wet. What step he would to dry them quickly?
                 Q.4     We feel colder under a tree. Justify.
                 Q.5     Comment on the following statements:

                         a) Evaporation produces cooling.
                         b) Rate of evaporation of an aqueous solution decreases with increase in
                         humidity.
                         c) Perspiration keeps our body cold.

               NCERT Textbook-Std-IX-Science
               Pg. No. 10
               Q1, Q2, Q3 & Q4



































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