This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 63 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sometimes these are called pseudo solids or super cooled liquids A) Crystalline solids. B) Amorphous solids. C) All the above. D) None of the above. Show Answer Correct Answer: B) Amorphous solids. 2. Zinc blende is otherwise called as ..... A) Wurtzite. B) Graphite. C) Graphene. D) Sphalerite. Show Answer Correct Answer: D) Sphalerite. 3. What type of a semi-conductor is formed by doping silicon by phosphorus? A) P-type semiconductor. B) N-type semiconductor. C) Both P-type and N-type semiconductor. D) None of the P-type or N-type semiconductor. Show Answer Correct Answer: B) N-type semiconductor. 4. Defect shown by ionic crystals with large difference in size A) Schottky Defect. B) Impurity Defect. C) Frenkel Defect. D) Metal Deficiency Defect. Show Answer Correct Answer: C) Frenkel Defect. 5. The edge atom of a cube provides how many atoms to unit cell A) 1/2. B) 1/4. C) 1/8. D) 1. Show Answer Correct Answer: C) 1/8. 6. The electrical conductivity of semiconductor ..... With increase in temperature A) Decreases. B) Increases. C) Doesnt depend on temperature. D) Cant say. Show Answer Correct Answer: B) Increases. 7. The radius of a calcium ion is 94 pm and of the oxide ion is 146 pm. The possible crystal structure of calcium oxide will be A) Tetrahedral. B) Pyramidal. C) Octahedral. D) Trigonal. Show Answer Correct Answer: C) Octahedral. 8. Both Schottky and Frenkel defects are present in ..... ? A) AgCl. B) AgI. C) AgBr. D) ZnS. Show Answer Correct Answer: C) AgBr. 9. Metallic lustre is explained by A) Diffusion of metal ions. B) Oscillation of loose electrons. C) Excitation of free protons. D) Existence of bcc lattice. Show Answer Correct Answer: B) Oscillation of loose electrons. 10. The anionic sites occupied by electrons are called A) X-center. B) Y-center. C) S-center. D) F-center. Show Answer Correct Answer: D) F-center. 11. Heisenberg's internal field concept relates to ..... type of magnetism. A) Diamagnetism. B) Paramagnetism. C) Ferromagnetism. D) Anti-ferromagnetism. Show Answer Correct Answer: C) Ferromagnetism. 12. Covalent or network solids are conductor due to A) The absence of free ions between layers. B) The absence of free e-between layers. C) The presence of free ions between layers. D) The presence of free e-between layers. Show Answer Correct Answer: D) The presence of free e-between layers. 13. Amorphous solid is A) Rubber. B) Plastic. C) Glass. D) All of these. Show Answer Correct Answer: D) All of these. 14. Reciprocal of hcp crystal is A) Sc. B) Bcc. C) Fcc. D) Hcp. Show Answer Correct Answer: D) Hcp. 15. What is the number of particles per unit cell in case of a face centered cubic unit cell. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 16. Which defect causes decrease in the density of a crystal? A) Interstitial. B) Frenkel. C) Schottky. D) F-Centre. Show Answer Correct Answer: C) Schottky. 17. What is the main factor that influences the cohesive energy of a crystal? A) Magnetic forces. B) Electrostatic interactions. C) Gravitational forces. D) Temperature. Show Answer Correct Answer: B) Electrostatic interactions. 18. The ability of crystalline solids to change values of physical properties when measured in different directions is called ..... A) Polymorphism. B) Isomorphism. C) Anisotropy. D) Isotropy. Show Answer Correct Answer: C) Anisotropy. 19. AC motor speed in the drive can be controlled by a A) Mechanical load. B) Sensing unit. C) Control unit. D) Power Converter. Show Answer Correct Answer: D) Power Converter. 20. There are only 14 possible three dimensional lattices. These are called ..... Lattices. A) Crystal lattice. B) Space lattice. C) Bravais lattice. D) None of the above. Show Answer Correct Answer: C) Bravais lattice. 21. It refers to the space that matter occupies. A) Volume. B) Mass. C) Weight. D) Density. Show Answer Correct Answer: A) Volume. 22. What fraction of a sphere present at the face of a unit cell is present in one unit cell A) 1/8. B) 1/4. C) 1/2. D) 1. Show Answer Correct Answer: C) 1/2. 23. The total number of tetrahedral voids in the face centred unit cell is ..... A) 6. B) 8. C) 10. D) 12. Show Answer Correct Answer: B) 8. 24. Non-stoichiometric Metal Excess defects due to interstitial cations are found in A) NaCl. B) ZnO. C) ZnS. D) AgBr. Show Answer Correct Answer: B) ZnO. 25. What is the primary factor determining the strength of the bonded interface in diffusion bonding (DFW)? A) Pressure. B) Temperature. C) Time of contact. D) The presence of alloying elements. Show Answer Correct Answer: A) Pressure. ← 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