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QUIZ START
#1. Which one of the following is pseudo solid:
#2. In liquids, intermolecular forces are:
#3. Which one is false for evaporation:
#4. Vapour pressure of water at 100°C is:
#5. Which one of the following does not show hydrogen bonding:
#6. Liquid crystal is discovered by:
#7. Hydrogen bonding involves in:
#8. Water has maximum density at:
#9. The conversion of vapours back into their liquid state is called:
#10. The boiling point increases down the zero group element due to:
#11. Vapour pressure is not affected by:
#12. Rising of a wetting liquid in a capillary tube is due to:
#13. Kerosene oil is used to kill mosquitoes because it has surface tension:
#14. Molar heat of vaporization of water is:
#15. A solid may be made up of:
#16. a ≠ b ≠ c, α = β = γ = 90° is representation of crystal system:
#17. Which solids are called true solids:
#18. Bucky balls is an allotropic form of:
#19. Which one of the following is isotropic:
#20. Instantaneous dipole and induce dipole force is also called:
#21. Polarizability generally —————— down the group:
#22. Evaporation of water is possible at:
#23. When external pressure is 23.7 torr, boiling point of water is:
#24. Existence of an element in more than one form is known as:
#25. Molecular crystals are generally:
#26. Which pair of molecules have Debye forces in them:
#27. Which one of the following liquid has low vapour pressure at 25°C:
#28. The shape of diamond crystal is:
#29. Which pair of compounds are isomorphic in nature:
#30. Crystalline solids do not have:
