This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electrical conductivity in ionic solid is due to A) Ions. B) Electrons. C) Impurity. D) None of the above. Show Answer Correct Answer: A) Ions. 2. Cations are present in the interstitial sites in A) Frenkel defect. B) Schottky defect. C) Vacancy defect. D) Metal deficiency defect. Show Answer Correct Answer: A) Frenkel defect. 3. SSD devices are rated at only ..... A) 5GB. B) 10GB. C) 20GB. D) 1GB. Show Answer Correct Answer: C) 20GB. 4. What is the primary characteristic of solid state welding processes? A) Melting the base materials. B) Using high-pressure gas. C) Joining materials without melting. D) Creating strong magnetic fields. Show Answer Correct Answer: C) Joining materials without melting. 5. A single substance that exists in two or more forms is called A) Polymorphous. B) Amorphous. C) Isomorphous. D) Monomorphous. Show Answer Correct Answer: A) Polymorphous. 6. White crystal of zinc oxide is heated (i) Metal excess defect is created. (ii) Presence of extra cation at interstitial site.(iii) It loses oxygen and turns yellow.(iv) Free electron are created. A) All statement(s) are correct. B) (i), (ii) and (iv). C) (i), (ii) and (iii). D) (ii) and (iv). Show Answer Correct Answer: A) All statement(s) are correct. 7. Why is explosion welding considered suitable for certain applications despite its high capital investment? A) It requires less energy. B) It involves skilled operator intervention. C) It results in poor weld quality. D) It consistently produces high-quality welds. Show Answer Correct Answer: D) It consistently produces high-quality welds. 8. Quartz is a crystalline variety of: A) Silica. B) Sodium silicate. C) Silicon carbide. D) Silicon. Show Answer Correct Answer: A) Silica. 9. A solid X$^{+ }$Y$^{-}$has a bcc structure . If the distance of closest approach between the two ions is 173 pm, the edge length of the cell is: A) 200 pm. B) 142.2 pm. C) Under root 2 pm. D) 178 pm. Show Answer Correct Answer: A) 200 pm. 10. Which of the following is a pair of equivalent values? A) -298 K and O $^{o}$ C. B) 298 K ans-273 $^{o}$ C. C) 319 K and 46 $^{o}$ C. D) 319 K and 592 $^{o}$ C. Show Answer Correct Answer: C) 319 K and 46 $^{o}$ C. 11. Sodium chloride and quartz are typical examples of A) Crystalline solids. B) Amorphous solids. C) All the above. D) None of the above. Show Answer Correct Answer: A) Crystalline solids. 12. Iodine molecules are held in crystal lattice by A) London forces. B) Dipole-dipole interactions. C) Covalent bonds. D) Coluombic forces. Show Answer Correct Answer: A) London forces. 13. Which of the following crystals does not exhibit Frenkel defect? A) AgBr. B) AgBr. C) KBr. D) ZnS. Show Answer Correct Answer: C) KBr. 14. What is the purpose of a voltage divider in electronic circuits? A) A voltage divider is used to increase the voltage level of a signal. B) A voltage divider reduces the voltage to a desired level based on the resistor values. C) A voltage divider isolates different parts of a circuit from each other. D) A voltage divider converts AC voltage to DC voltage. Show Answer Correct Answer: B) A voltage divider reduces the voltage to a desired level based on the resistor values. 15. The area enclosed by a closed curve in a PV diagram represents: A) Change in internal energy. B) Net heat supplied. C) Net work done during the cycle. D) Change in entropy. Show Answer Correct Answer: C) Net work done during the cycle. 16. Which of the following fee structure contains cations in alternate tetrahedral voids? A) Zns. B) Nacl. C) Fe2o3. D) Kcl. Show Answer Correct Answer: A) Zns. 17. When constituent particles are present only at the corner position of unit cell, then the unit cell is called A) Primitive unit cell. B) Body centred unit cell. C) Face centred unit cell. D) None of the above. Show Answer Correct Answer: A) Primitive unit cell. 18. It shows both, Frenkel as well as Schottky defects. A) NaCl. B) AgBr. C) KCl. D) AsCl. Show Answer Correct Answer: B) AgBr. 19. The regular 3D arrangement of points in space is called A) Unit cell. B) Lattice points. C) Bravais lattice. D) Crystal lattice. Show Answer Correct Answer: D) Crystal lattice. 20. Which of the following is a characteristic of covalent bonding? A) Non-directional properties. B) Strong directional properties. C) Weak binding energy. D) High conductivity. Show Answer Correct Answer: B) Strong directional properties. 21. What is the primary benefit of friction welding being machine-controlled? A) Operator expertise is not needed. B) Higher welding speeds are achieved. C) Fewer process variables are involved. D) Weld quality is less favorable. Show Answer Correct Answer: A) Operator expertise is not needed. 22. Substances having unpaired electron in atoms show this ..... magnetic behaviour. A) Diamagnetism. B) Ferrimagnetism. C) Paramagnetism. D) Ferromagnetism. Show Answer Correct Answer: C) Paramagnetism. 23. A solid A$^{+}$ B$^{-}$ has the B ions arranged IN BCC below. If the A$^{+}$ ions occupy half of the octahedral sites in the structure. The formula of solid is ..... A) AB. B) AB$_{2}$. C) A$_{2}$B. D) A$_{3}$B$_{4}$. Show Answer Correct Answer: B) AB$_{2}$. 24. The number of Cl-ions present around each Na+ ion in NaCl crystal lattice is A) 3. B) 4. C) 8. D) 6. Show Answer Correct Answer: D) 6. 25. Number of atoms in BCC A) 2. B) 1. C) 4. D) 0. Show Answer Correct Answer: A) 2. ← 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