Physics 9 Chapter 8 - Thermal Properties of Matter -25


Physics Class 9
1.    Upon which of the following, the temperature of a substance depends?




Physics Class 9
2.    At which temperature, evaporation takes place?




Physics Class 9
3.    With which of the following factors, rate of evaporation is affected?




Physics Class 9
4.    With which of the following factors, rate of evaporation is affected?




Physics Class 9
5.    At which of the following temperature, evaporation is faster?




6.    In which of the following seasons, evaporation takes place faster?




Physics Class 9
7.    At which of the following, evaporation is faster?




Physics Class 9
8.    Which of the following gas was used as refrigerant gas?




Physics Class 9
9.    By which of the following gases, Freon gas is replaced nowadays?




Physics Class 9
10.    What is Freon?







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