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.