26. “The change of phase from liquid to gas that occurs at the surface of the liquid”.This process is called __________.
27. The phase change from gas to liquid”.This process is called ___________.
28. ‘Condensation’ is a ____________.
29. ___________ is a cooling process.
30. The amount of water vapor present in air is called the _____________.
31. The water droplets condensed on such surface are known as ________.
32. The thick mist is called _______.
33. The boiling point of water is __________C.
34. Consider a liquid of mass ‘m’ requires heat energy ‘Q’ calories to change from its state liquid phase to gas phase. Then Latent heat of vaporization is ______.
35. CGS unit and SI unit of latent heat of vaporization is _______. and ______ respectively.
36. The boiling point of water at constant atmospheric pressure (1atm) is ___________ .
37. Latent heat of vaporization of water is ________ Cal/gm.
38. When water or any liquid is heated, the solubility of gases it contains ________.
39. This process of converting solid into a liquid is called “__________”.
40. Ice becomes to water .This process takes place at a constant temperature ____________.
41. Ice becomes to water at 00C. This temperature is called ___________.
42. The Heat energy required to convert 1gm of solid completely into liquid at a constant temperature is called ___________________.
43. Latent heat of fusion L = ________.
44. The value of Latent heat of fusion of ice is _______ cal/gm.
45. “The process in which the substance in liquid phase changes to solid phase by losing some energy is called _________.”
46. If two different systems, A and B, (thermal contact) are in thermal equilibrium individually with another system C. then the systems A and B are in _____________ with each other.
47. The ____________ of a material is the amount of heat required to raise the temperature of unit mass of the material by or unit.
48. Condensation is the reverse process of ____________.
49. The Specific heat of a Lead is ________ Cal/g-oC. (or) ______ J/kg-K.
50. The Specific heat of a Water is ______ Cal/g-oC _______ J/kg-K.
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