This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 64 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 64 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which of the following spacing between the valence band and conduction band is relatively more and hence is a poor conductor? A) Diamond. B) Silicon. C) Copper. D) Brass. Show Answer Correct Answer: A) Diamond. 2. The defect found in NaCl is A) Schottky. B) Frenkel. C) Both A and B. D) None of the above. Show Answer Correct Answer: A) Schottky. 3. Kategori Resistance Welding (RW) mencakup sejumlah proses dimana panas yang dibutuhkan untuk pengelasan dihasilkan melalui hambatan listrik di 2 komponen yang akan digabungkan. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: A) Benar. 4. Which of the following substance has zero net magnetic moment? A) Ferromagnetic. B) Antiferromagnetic. C) Ferrimagnetic. D) All of these. Show Answer Correct Answer: B) Antiferromagnetic. 5. Ferrimagnetic substance have A) Zero magnetic moment. B) Small magnetic moment. C) Large magnetic moment. D) Any value of magnetic moment. Show Answer Correct Answer: B) Small magnetic moment. 6. SSD is ..... A) Optical. B) Solid state. C) Magnetic. D) None of the above. Show Answer Correct Answer: B) Solid state. 7. Total number of edges in unit cell A) 6. B) 8. C) 10. D) 12. Show Answer Correct Answer: D) 12. 8. In AgBr these can occur A) Frenkel defect. B) Schottky defect. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 9. Which welding process is commonly used for sheet-metal fabrication and light assembly work? A) Cold Welding (CW). B) Friction Stir Welding (FSW). C) Ultrasonic Welding (USW). D) Resistance Spot Welding (RSW). Show Answer Correct Answer: C) Ultrasonic Welding (USW). 10. Iron has BCC unit cell with cell edge of 286.65 pm. The density of iron is 7.874 g cm$^{-3}$ . Calculate the value of Avogadro constant (atomic mass of Fe = 56 gmol$^{-1}$) A) $^{ }$6.03 x 10$^{22}$. B) 6.03 x 10$^{23}$. C) 6.03 x 10$^{24}$. D) 6.03 x 10$^{25}$. Show Answer Correct Answer: B) 6.03 x 10$^{23}$. 11. KF has ccp structure. Calculate the radius if the edge length is 400pm. A) 414.4pm. B) 141.4pm. C) 441.1pm. D) 114.1 pm. Show Answer Correct Answer: B) 141.4pm. 12. The number of possible bravias lattices are A) 7. B) 14. C) 6. D) 8. Show Answer Correct Answer: B) 14. 13. When molten form of crystalline solid is rapidly cooled, it changes into: A) Crystalline solid. B) Amorphous solid. C) Insulator. D) Superconductor. Show Answer Correct Answer: B) Amorphous solid. 14. The closest packing sequence ABCABC represents A) Primitive Cubic packing. B) Body centred cubic packing. C) Face centred cubic packing. D) Hexagonal packing. Show Answer Correct Answer: C) Face centred cubic packing. 15. What is the primary factor for weldability of ferrous materials like carbon steels? A) Alloying elements. B) Impurities. C) Carbon content. D) Grain structure. Show Answer Correct Answer: C) Carbon content. 16. Ionic solids hve ..... melting point A) Low. B) High. C) Same. D) None. Show Answer Correct Answer: B) High. 17. A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field becuase ..... A) All the domains get oriented in the direction of magnetic field. B) All the domains get oriented in the direction opposite to the direction of magnetic field. C) Domains get oriented randomly. D) Domains are not affected by magnetic field. Show Answer Correct Answer: A) All the domains get oriented in the direction of magnetic field. 18. If the radius of octaherdral voids is 'r' and radius of the atoms in close packing is 'R'. What is the relation between 'r' and 'R'? A) R = 0.2010R. B) R = 3.010R. C) R = 0.414R. D) R = 4.14R. Show Answer Correct Answer: C) R = 0.414R. 19. Pada Roll Bonding, tekanan yang dibutuhkan untuk pengelasan dapat diterapkan melalui sepasang gulungan, proses ini disebut juga sebagai Roll Welding (RW). A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: A) Benar. 20. Systems employed for motion control are named as A) Prime movers. B) Drives. C) Machines. D) Load. Show Answer Correct Answer: B) Drives. 21. Which of the following application need frequent starting and stopping of electric motors? A) Paper mills. B) Grinding mills. C) Air-conditioners. D) Lifts and hoists. Show Answer Correct Answer: D) Lifts and hoists. 22. What is the purpose of a pull-up resistor in digital circuits? A) A pull-up resistor connects multiple outputs to ground. B) A pull-up resistor decreases the voltage level of a signal. C) A pull-up resistor is used to amplify weak signals in a circuit. D) A pull-up resistor ensures that a pin is pulled to a high logic level when not actively driven. Show Answer Correct Answer: D) A pull-up resistor ensures that a pin is pulled to a high logic level when not actively driven. 23. An atom is missing from its regular atomic site is called A) Schottky defect. B) Interstitial defect. C) Vacancy defect. D) Frenkel defect. Show Answer Correct Answer: C) Vacancy defect. 24. Coordination no of BCC arrangement is A) 6. B) 8. C) 4. D) 2. Show Answer Correct Answer: B) 8. 25. How many bravais lattices for total crystal system A) 10. B) 14. C) 7. D) 11. Show Answer Correct Answer: B) 14. ← 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