This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 61 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 61 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Valence band overlapped with the conduction band. This statement refer to: A) Insulator. B) Conductor. C) Semiconductor. D) Diode. Show Answer Correct Answer: B) Conductor. 2. Assertion:Quartz glass is crystalline solid and quartz is an amorphous solid.Reason:Quartz glass has long range order.(a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true, but reason is not the correct explanation of assertion. (c) If assertion is true, but reason is false. (d) If both assertion and reason are false A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 3. For which of the following applications D.C. motors are still preferred? A) High efficiency operation. B) Reversibility. C) Variable speed drive. D) High starting torque. Show Answer Correct Answer: C) Variable speed drive. 4. ..... is a characteristic of diamagnetic materials. A) Materials are attracted to magnetic fields. B) Materials have no net magnetic moment. C) Materials can retain magnetism. D) Materials exhibit strong magnetization. Show Answer Correct Answer: B) Materials have no net magnetic moment. 5. Which of the following show both frenkel as well as Schottky defect A) AgBr. B) AgCl. C) Both. D) None of the above. Show Answer Correct Answer: A) AgBr. 6. What is the torque equation of motor during acceleration? A) A. Tm = TL. B) B. Tm > TL. C) C. Tm < TL. D) TL = 0. Show Answer Correct Answer: B) B. Tm > TL. 7. No of octahedral voids in BCC A) 2. B) 6. C) 4. D) 2. Show Answer Correct Answer: C) 4. 8. All crystals have defects at all non-zero temperatures, the defects that have a dimensionality of 1 are called A) Point Defects. B) Line Defects. C) Plane Defects. D) Grain Boundary. Show Answer Correct Answer: B) Line Defects. 9. What role does the Fermi-Dirac distribution function play in determining electron behavior in materials? A) It determines the probability of finding an electron in a given energy state at thermal equilibrium. B) It dictates the shape of electron orbits in atoms. C) It determines the speed of electrons in materials. D) It controls the color of materials under different lighting conditions. Show Answer Correct Answer: A) It determines the probability of finding an electron in a given energy state at thermal equilibrium. 10. Solid carbon dioxide is an example of A) Ionic crystal. B) Covalent crystal. C) Metallic crystal. D) Molecular crystal. Show Answer Correct Answer: D) Molecular crystal. 11. The Lagrangian function is define by ..... A) L= F + V. B) L= T-V. C) L = T + V. D) L = F-V. Show Answer Correct Answer: B) L= T-V. 12. Which of the following is a covalent solid but still conductor A) Diamond. B) Copper. C) Graphite. D) Water. Show Answer Correct Answer: C) Graphite. 13. Malleability and ductility depend upon elasticity. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. A metal oxide has formula M$_{0.9}$O. The percentage of M$^{+3}$ ion is (assuming M exists in +2 and +3 oxidation states) A) 22.22%. B) 10.10%. C) 35.35%. D) 12.12%. Show Answer Correct Answer: A) 22.22%. 15. 2 moles of a metal undergo CCP, what is the numbers of tetrahedral voids formed. A) 2 moles. B) 3 moles. C) 4 moles. D) 6 moles. Show Answer Correct Answer: C) 4 moles. 16. The distance between Na-and CL-ions in NaCl with a density 2.165 g cm-3 is A) 564 pm. B) 282 pm. C) 234 pm. D) 538 pm. Show Answer Correct Answer: B) 282 pm. 17. What are the factors decides stability of solid state A) Thermal energy. B) Intermolecular force. C) Viscous force. D) Both thermal energy and intermolecular forces. Show Answer Correct Answer: D) Both thermal energy and intermolecular forces. 18. AB AB ..... type close packing pattern represents A) HCP. B) FCC. C) CCP. D) BCC. Show Answer Correct Answer: A) HCP. 19. Slip power is ..... A) Slip P airgap (SPag). B) Slip. C) Pag. D) (1-S) Pag. Show Answer Correct Answer: A) Slip P airgap (SPag). 20. Laser stands for? A) Lightamplification by the stimulated emission of radiation. B) Electromagnetic radiation to which the organs of sight react. C) All the above. D) None of the above. Show Answer Correct Answer: A) Lightamplification by the stimulated emission of radiation. 21. The anionic sites occupied by unpaired electrons are called ..... A) F-centres. B) G-centres. C) K-centres. D) None of the above. Show Answer Correct Answer: A) F-centres. 22. On the basis of nature of particles and binding force between the particles, crystalline solids areclassified into A) Two. B) Three. C) Four. D) Five. Show Answer Correct Answer: C) Four. 23. The total number of identical spheres required in cubic close packing arrangement of a unit cell is A) 6. B) 4. C) 12. D) 14. Show Answer Correct Answer: D) 14. 24. What is the number of particles per unit cell in case of a simple cubic unit cell A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 25. Which welding process involves rapidly generating heat from an arc as the ends of two members make contact? A) Ultrasonic Welding (USW). B) Cold Welding (CW). C) Flash Welding (FW). D) Diffusion Bonding (DFW). Show Answer Correct Answer: C) Flash Welding (FW). ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 1 Solid State Quiz 1Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 2Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 3Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 4Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 5Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 6Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 7Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 8Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 9Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books