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Mdcat-past-papers - UHS - Chemistry Quiz

Filters: Board: UHS | Subject: Chemistry |
41. Intermolecular forces between molecules of ideal gas are:



42. DNA molecule is a double standard, in which two chains of DNA are twisted around each other by:



43. Ice is less dense than water at:



44. In crystal lattice of ice, each O-atom of water molecule is attached to:



45. The stability of the following structure is due to the:



46. According to James Watson Crick's model of DNA, the DNA molecule consists double helix. What type of forces are responsible to keep two strands of DNA together?



47. An intermolecular force of attraction X is relatively stronger than the other intermolecular forces, it stabilizes a-helix by:



48. Which of the following substances exhibits hydrogen bonding?



49. Which one of the following DO NOT have tendency to form hydrogen bonding?



50. Correct order of boiling points of the given liquid is:



51. Which of the following factor does not affect the magnitude of vapor pressure?



52. Which is not a property of liquid?



53. In order to boil water at 110°C, external pressure should be:



54. Boiling point of a liquid is a temperature at which;



55. Which type of forces exist between iodine molecules?



56. In anisotropic crystals which property do not change with the change in direction of crystalline structures?



57. Whenever crystalline solids are broken they do so along definite planes known as:



58. One of the following is NOT an example of amorphous solids:



59. In Graphite the carbon atoms are arranged in which of the following structure?



60. A small building block which belongs to whole information about crystal structure is called:



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