1 Latent heat of fusion is related to: A Solid to gas B Liquid to gas C Solid to liquid D Gas to liquid
3 In solids, particles are: A Far apart and free B Closely packed and vibrate about fixed positions C Completely free to move D Not moving at all
4 Thermal expansion occurs due to: A Decrease in mass B Increase in density C Increase in kinetic energy of particles D Change in color
5 Coefficient of linear expansion depends on: A Shape of object B Size of object C Material of object D Mass of object
6 Which factor mainly increases the kinetic energy of gas molecules? A Pressure B Volume C Temperature D Mass
7 During evaporation, average kinetic energy of remaining liquid: A Increases B Decreases C Remains same D Becomes zero
9 Latent heat is the heat required to: A Raise temperature B Change state without temperature change C Increase pressure D Expand volume
10 Anomalous expansion of water occurs between: A 0°C to 4°C B 4°C to 10°C C 0°C to 10°C D 10°C to 20°C
13 Which phenomenon supports kinetic theory of matter? A Reflection B Brownian motion C Refraction D Diffraction
17 Which factor increases the rate of evaporation? A Low temperature B High humidity C Large surface area D Low wind speed