Welcome to chemistry afns test 8, an essential online preparation module developed for candidates preparing for the Armed Forces Nursing Services (AFNS) initial academic entrance exam. This test is designed to test your knowledge of key FSc Chemistry concepts and prepare you for high-frequency questions in the computer-based test.
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#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:
#31. The maximum number of electrons in a sub-shell with l = 3 is:
#32. Radius of the third shell of H-atom is:
#33. Colour of fluorescence produced by cathode rays depends upon:
#34. A fast moving neutron can eject from nitrogen:
#35. Pressure in gas discharge tube was kept:
#36. Angle of deflection of cathode rays in electric field was studied by:
#37. Positive rays give flash on:
#38. Free neutron change into proton with the emission of:
#39. The value of e/m ratio of electron is —————— C-kg⁻¹:
#40. Charge of electron was measured by:
#41. Angular momentum of an electron:
#42. Plank’s equation is:
#43. Millikan used —————— in his atomizer:
#44. When electron de-excite back into orbit 1, then series obtained is:
#45. The wave number of the light emitted by a certain source is 2 × 10⁶ m⁻¹. The wavelength of this light will be:
#46. Quantum number values for 2p orbitals are:
#47. When 6d orbital is complete, entering electron goes into:
#48. The e/m value for the positive rays is maximum for:
#49. The radius of first orbit of hydrogen atom is:
#50. Total number of d-electrons in an atom of atomic number 26 is:
#51. Which of the following orbital is not possible:
#52. Spin quantum number was given by:
#53. X-rays have same nature as:
#54. The value of Rhdberg constant is:
#55. Balmer series lie in:
#56. Which one of the following orbital will be first filled:
#57. An orbital can accommodate max. of:
#58. The orbital which is spherically symmetrical is:
#59. The SI unit of wave number is:
#60. X-rays were discovered by:
#61. Which of the following particles contain 20n, 19p and 18e:
#62. The electrons in K-shell of the atom will differ in:
#63. The no. of electrons in the M. shell of the element with atomic number 24 is:
#64. The value of Plank’s constant ‘h’ is:
#65. If “r” is the radius of first orbit, the radius of “nth” orbit of H-atom will be:
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CHEMISTRY TEST 8
Welcome to chemistry afns test 8, an essential online preparation module developed for candidates preparing for the Armed Forces Nursing Services (AFNS) initial academic entrance exam. This test is designed to test your knowledge of key FSc Chemistry concepts and prepare you for high-frequency questions in the computer-based test.
Key Topics Covered in Chemistry AFNS Test 8
To excel in the AFNS academic selection test, make sure to thoroughly revise these core chemical principles covered in this module:
- Thermochemistry & Energetics: Enthalpy changes, Hess’s law of constant heat summation, lattice energy, and heat capacity.
- Solutions & Colloids: Molarity, molality, Raoult’s law, colligative properties, and osmotic pressure calculations.
- Hydrocarbons & Alkyl Halides: Alkanes, alkenes, alkynes, electrophilic addition reactions, and nucleophilic substitution mechanisms.
- Chemical Bonding & Molecular Structure: Ionic vs covalent character, VSEPR theory, hybridization types, and dipole moments.
Effective Revision Tips for Test 8
- Review FSc Textbooks: Study foundational definitions, gas laws, thermochemistry concepts, and organic reaction pathways in your 1st and 2nd-year FSc Chemistry books.
- Analyze Missed Questions: Review every incorrect option after completing the quiz to identify weak areas and refine your concepts.
- Pace Yourself: Practice solving questions quickly to improve both speed and accuracy for the official timed entry test.
Useful Resources & Next Steps
Official Information: For official entry test dates and eligibility criteria, visit the Join Pak Army Official Website.
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