This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 62 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Discuss the significance of magnetic domains in magnetic materials. A) Magnetic domains help in understanding how magnetic materials behave and how they can be manipulated for various applications. B) Magnetic domains are irrelevant in magnetic materials. C) Magnetic domains have no impact on the behavior of magnetic materials. D) Magnetic domains are only present in non-magnetic materials. Show Answer Correct Answer: A) Magnetic domains help in understanding how magnetic materials behave and how they can be manipulated for various applications. 2. Scottky defect in crystals is observed when A) Unequal number of cation and anion are missing from the lattice. B) Equal number of cation and anion are missing from the lattice. C) Anion leaves the normal site and occupies an interstetial site. D) Density of te crystal is increased. Show Answer Correct Answer: B) Equal number of cation and anion are missing from the lattice. 3. The number of unit cells in 58.5 g of NaCl is nearly ..... A) 6 X10$^{20}$. B) 3 X10$^{22}$. C) 1.5 X 10$^{23 }$. D) 0.5X 10$^{24}$. Show Answer Correct Answer: C) 1.5 X 10$^{23 }$. 4. Which of the following is the most unsymmetrical crystal system? A) Orthorhombic. B) Monoclinic. C) Rhombohedral. D) Triclinic. Show Answer Correct Answer: D) Triclinic. 5. An example for Network solid A) Corundum. B) Diamond. C) Dry Ice. D) KCl. Show Answer Correct Answer: B) Diamond. 6. Assuming ideal gas properties, which of the following occupies the most volume at 273 K and 1 atm of pressure? A) One mole of hydrogen gas. B) They all occupy the same volume. C) One mole of oxygen gas. D) One mole of nitrogen gas. Show Answer Correct Answer: B) They all occupy the same volume. 7. ..... is a memory card format which was developed to allow solid state technology to be used in a very small portable device. A) SD. B) XD. C) CFast. D) None of the above. Show Answer Correct Answer: C) CFast. 8. PbO (Sejuk) A) Yellow, insoluble. B) Yellow, soluble. C) Brown, insoluble. D) Brown, soluble. Show Answer Correct Answer: A) Yellow, insoluble. 9. One mole of an ideal gas at 300K in thermal contact with surrounding expands isothermally from1.0L to 2.0L against a constant pressure of 3.0atm. In the process, the change in entropy of surroundings ( $\Delta$ A) 5.763. B) 1.013. C) -1.013. D) -5.763. Show Answer Correct Answer: C) -1.013. 10. Which of the following exhibits overlapping bands? A) Alkali metals. B) Germanium. C) Diamond. D) Zinc oxide. Show Answer Correct Answer: A) Alkali metals. 11. The electrons are trapped in anionic vacancies in metal excess defect are called A) Schottky defect. B) Frenkel defect. C) F-centre. D) Impurity defect. Show Answer Correct Answer: C) F-centre. 12. Which of the following is not crystalline solid A) NaCl. B) Benzene. C) Diamond. D) Styrene. Show Answer Correct Answer: D) Styrene. 13. How many spheres are required to form one octahedral void? A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: D) 6. 14. In solid-state physics, a phonon is ..... A) A particle of light in materials. B) A quantized vibration in a crystal lattice. C) An ionized electron. D) A hole in the valence band. Show Answer Correct Answer: B) A quantized vibration in a crystal lattice. 15. Which of the following compounds is likely to show both Schottky and Frenkel defect in its crystalline form? A) KBr. B) ZnS. C) NaCl. D) AgBr. Show Answer Correct Answer: D) AgBr. 16. Which of the following is preferred for automatic drives? A) Synchronous motors. B) Squirrel cage induction motor. C) Ward Leonard controlled dc motors. D) Any of the above. Show Answer Correct Answer: C) Ward Leonard controlled dc motors. 17. The number of octahedral void(s) per atom present in a cubic close-packed structure is A) 2. B) 4. C) 1. D) 3. Show Answer Correct Answer: C) 1. 18. Sp$^{3}$d hybridisation results in which shape- A) Tetrahedral. B) Square planar. C) Trigonal bipyramidal. D) Octahedral. Show Answer Correct Answer: C) Trigonal bipyramidal. 19. What is the coordination number of atoms in a cubic close-packed structure? A) 8. B) 12. C) 6. D) 4. Show Answer Correct Answer: B) 12. 20. Amorphous solids are anisotropic. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. How do we call the macroscopic structure of a crystalline solid? A) Crystal Structure. B) Lattice. C) Unit Cell. D) None of the above. Show Answer Correct Answer: A) Crystal Structure. 22. The metal deficiency defect which occurs when the metal can exhibit variable valencies is usually observed in oxides of A) Alkali metals. B) Alkaline earth metals. C) Transition metals. D) All of the above. Show Answer Correct Answer: C) Transition metals. 23. The substance which is not antiferromagnetic is A) V2O3. B) Fe2O3. C) All the above. D) None of the above. Show Answer Correct Answer: B) Fe2O3. 24. F-centres in an ionic crystal are A) Lattice sites containing electrons. B) Interstitial sites containing electrons. C) Lattice sites that are vacant. D) Interstitial sites containing cations. Show Answer Correct Answer: A) Lattice sites containing electrons. 25. Diamond cannot conduct electricity because A) Diamond has the structure of a giant covalent molecule. B) Its carbon atoms form single covalent bonds. C) All of its valence electrons are used in forming covalent bonds. D) It has a higher melting point. Show Answer Correct Answer: C) All of its valence electrons are used in forming covalent bonds. ← 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