This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The Unit Supervisor has directed the Reactor Operator to perform a MANUAL Reactor Trip. When the Manual Reactor Trip Switch is manipulated, they operate the ..... in the reactor trip circuitry. A) UV coils AND Shunt trip. B) UV coils ONLY. C) Shunt trip ONLY. D) Rod Drive MG Set Supply Breakers. Show Answer Correct Answer: A) UV coils AND Shunt trip. 2. An element with which silicon can be doped to give a n-type semiconductor A) Aluminum. B) Germanium. C) Gallium. D) Arsenic. Show Answer Correct Answer: D) Arsenic. 3. Percentage of empty space in a BCC arrangement is A) 74%. B) 68%. C) 32%. D) 26%. Show Answer Correct Answer: C) 32%. 4. Coordination number of 1 D close packed structures is A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: B) 2. 5. The space occupied in bcc arrangement is A) 74 %. B) 70%. C) 68%. D) 60.4%. Show Answer Correct Answer: C) 68%. 6. Among the ligands NH$_{3}$, en, CN$^{-}$ and CO, the correct order of field strength is A) NH$_{3}$ < en < CN$^{-}$ < CO. B) CN$^{-}$ < NH$_{3}$ < CO < en. C) En < CN$^{-}$< NH$_{3}$ < CO. D) CO < NH$_{3}$ < en < CN$^{-}$. Show Answer Correct Answer: A) NH$_{3}$ < en < CN$^{-}$ < CO. 7. Which in the following is not a simple molecular lattice? A) Iodine. B) Water. C) NaCl. D) None of the above. Show Answer Correct Answer: C) NaCl. 8. When electrons are trapped into the crystal in anion vacancy, the defect is known as: A) Schottky defect. B) Frenkel defect. C) Stoichiometric defect. D) F-centre. Show Answer Correct Answer: D) F-centre. 9. Number of atoms in simple cubic cell A) 4. B) 2. C) 1. D) 0. Show Answer Correct Answer: C) 1. 10. Molecular Solids can be classified into A) Two. B) Three. C) Four. D) Five. Show Answer Correct Answer: B) Three. 11. Copper crystallises in fcc lattice with a unit cell edge of 361 pm. The radius of copper atom is:- A) 120. B) 128. C) 138. D) 115. Show Answer Correct Answer: B) 128. 12. A metal mixture is called A) Allotropes. B) Alloy. C) Lattice. D) None of the above. Show Answer Correct Answer: B) Alloy. 13. What type of materials can be joined using Ultrasonic Seam Welding (USEW)? A) Metals only. B) Plastics only. C) Dissimilar materials. D) Non-ferrous materials only. Show Answer Correct Answer: C) Dissimilar materials. 14. What is a crystal lattice? A) A crystal lattice is a type of liquid structure. B) A crystal lattice is a random arrangement of gas particles. C) A crystal lattice is a solid that does not have any structure. D) A crystal lattice is a regular, repeating arrangement of particles in a crystalline solid. Show Answer Correct Answer: D) A crystal lattice is a regular, repeating arrangement of particles in a crystalline solid. 15. Which of the following is not polar molecular solids A) HCl. B) SO2. C) H2O. D) HBr. Show Answer Correct Answer: C) H2O. 16. Fe3O4 (magnetite) is an example of A) Normal spinel structure. B) Inverse spinel structure. C) Fluoride structure. D) Anti fluorite structure. Show Answer Correct Answer: B) Inverse spinel structure. 17. It is anything that has both mass and volume. A) Weight. B) Density. C) Matter. D) Energy. Show Answer Correct Answer: C) Matter. 18. The number of atoms per unit cell in simple cubic, face centered cubic and body centered cubic are A) 1, 4, 2. B) 1, 2, 4. C) 2, 4, 1. D) 4, 1, 2. Show Answer Correct Answer: A) 1, 4, 2. 19. Identify the antiferromagnetic substance A) MnO. B) Fe3O4. C) CrO2. D) NaCl. Show Answer Correct Answer: A) MnO. 20. Which one of the following causes C-8? A) Turbine inlet pressure Low (1/1) OR Governor Valves Closed (2/4). B) Turbine inlet pressure Low (1/1) OR Throttle Valves Closed (2/4). C) EHC pressure < 1245.8 psig (2/3) OR Throttle Valves Closed (2/4). D) EHC pressure < 1245.8 psig (2/3) OR Governor Valves Closed (2/4). Show Answer Correct Answer: C) EHC pressure < 1245.8 psig (2/3) OR Throttle Valves Closed (2/4). 21. Coated steel sheets may pose welding challenges primarily due to: A) The type and thickness of the coating. B) High carbon content. C) Low alloy content. D) Lack of impurities. Show Answer Correct Answer: A) The type and thickness of the coating. 22. In a simple cubic, body-centered cubic and face-centered cubic structure, the ratio of the number of atoms present is respectively. A) 4:2:3. B) 8:1:6. C) 1:2:4. D) 4:2:1. Show Answer Correct Answer: C) 1:2:4. 23. The percentage of empty space in a body centred cubic arrangement is ..... A) 74. B) 68. C) 52. D) 32. Show Answer Correct Answer: D) 32. 24. For which types of D.C. motor, dynamic braking is generally used? A) Shunt motors. B) Series motors. C) Compound motors. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Fe$_{2}$O$_{3}$ A) Blue, soluble. B) Yellow, insoluble. C) Green, soluble. D) Brown, insoluble. Show Answer Correct Answer: D) Brown, insoluble. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books