This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 36 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The number of sodium ions and chloride ions per unit cell is A) 8:8. B) 6:6. C) 2:2. D) 4:4. Show Answer Correct Answer: D) 4:4. 2. What is the main disadvantage of solid-state storage in terms of reliability? A) Volatile nature. B) Low speed. C) Limited read and write cycles. D) High cost. Show Answer Correct Answer: C) Limited read and write cycles. 3. The coordination number of metal crystallizing in a hexagonal close packing structure are A) 12. B) 4. C) 8. D) 10. Show Answer Correct Answer: A) 12. 4. In which welding process is pressure applied by detonating an explosive layer? A) Cold Welding (CW). B) Ultrasonic Welding (USW). C) Diffusion Bonding (DFW). D) Explosive Welding (EXW). Show Answer Correct Answer: D) Explosive Welding (EXW). 5. The number of axes of symmetry in a cubic crystal A) 9. B) 16. C) 13. D) 4. Show Answer Correct Answer: C) 13. 6. The bond formation in a NaCl Crystal is A) Metallic bond. B) Ionic bond. C) Covalent bond. D) Van der Walls bond. Show Answer Correct Answer: B) Ionic bond. 7. Which of the following can be used to describe a crystalline solid? A) Heterogeneous, anisotropic. B) Homogeneous, anisotropic. C) Heterogeneous, isotropic. D) Homogeneous, isotropic. Show Answer Correct Answer: B) Homogeneous, anisotropic. 8. CsCl have cubic structure.Its density is 3.99gm/cm$^{3. }$What is distance between Cs$^{+}$ and Cl$^{-}$[At.mass of Cs=133] A) 257pm. B) 457pm. C) 357pm. D) 557. Show Answer Correct Answer: C) 357pm. 9. Which of the following scientists was not a discoverer of Bose-Einstein Condensate? A) Einstein. B) Cornell. C) Ketterle. D) Wieman. Show Answer Correct Answer: A) Einstein. 10. In closed pack array of N speres, the number of tetrahedral holes are A) N/2. B) N. C) 4N. D) 2N. Show Answer Correct Answer: D) 2N. 11. The correct statement regarding defects in crystalline solid is A) Frenkel defect is a dislocation defect. B) Frenkel defect is found in halides of alkaline metals. C) Schottky defects have no effect on the density of crystalline solids. D) Frenkel defects decreases the density of crystalline solids. Show Answer Correct Answer: A) Frenkel defect is a dislocation defect. 12. In a face centred cubic arrangement off A and B atoms whose A atoms are at the corner of the unit cell and B atoms at the face centres. One of the A atom is missing from one corner in unit cell. The simplest formula of compound is A) A$_{7}$B$_{3}$. B) AB$_{3}$. C) A$_{7}$B$_{24}$. D) A$_{7/8}$B$_{3}$. Show Answer Correct Answer: C) A$_{7}$B$_{24}$. 13. Select the correct statement ( s ) about non-stoichiometric Compounds A) They are called Berthollide compounds. B) They do not obey the law of constant composition. C) Electrical neutrality is maintained either by having on some of the metal ions extra electrons in the structure or changing the charge on same ions. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Iodine is which type of solid? A) Molecular. B) Ionic. C) Covalent. D) Metallic. Show Answer Correct Answer: A) Molecular. 15. The density of chromium metal is 7.2 cm$^{-3}$. if the unit cell is cubic with an edge length of 289 pm, determine the type of unit cell. [At the mass of Cr = 52] A) Simple cubic unit cell. B) Body centered cubic unit cell. C) Face centered cubic unit cell. D) None of these. Show Answer Correct Answer: B) Body centered cubic unit cell. 16. What is the coordniation number for FCC A) 6. B) 12. C) 8. D) 2. Show Answer Correct Answer: B) 12. 17. The change in volume of a material due to thermal expansion equals ..... A) $\beta$V$\Delta$T. B) $\beta$V/$\Delta$T. C) V$\Delta$T/$\beta$. D) $\beta$$\Delta$T/V. Show Answer Correct Answer: A) $\beta$V$\Delta$T. 18. Assertion:Frenkel and schottky defects are stoichiometric defects. Reason:Both defects change the density of the crystalline solid. A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 19. A given metal crystallises out with a cubic structure having edge length of 361 pm. if there are four metal atoms in one unit cell, what is the radius of one atom? A) 10 pm. B) 127 pm. C) 40 pm. D) 108 pm. Show Answer Correct Answer: B) 127 pm. 20. Describe the role of minority carriers in a PN junction. A) Minority carriers block current flow in a PN junction. B) Minority carriers facilitate current flow and recombination in a PN junction. C) Minority carriers only exist in the P-type material of a PN junction. D) Minority carriers are not involved in recombination processes. Show Answer Correct Answer: B) Minority carriers facilitate current flow and recombination in a PN junction. 21. What is simplest formula of a compound formed between A and B, if A makes Primitive cubic unit cell and atoms of B occupy body centre. A) A2B. B) AB2. C) AB. D) A2B3. Show Answer Correct Answer: C) AB. 22. Which one of the following is a covalent crystal A) Rock salt. B) Ice. C) Dry ice. D) Quartz. Show Answer Correct Answer: D) Quartz. 23. The only silver halide which can exhibits Schottky as well as Frenkel defect is A) AgF. B) AgCl. C) AgBr. D) AgI. Show Answer Correct Answer: C) AgBr. 24. Among solids the highest melting point is established by: A) Covalent solid. B) Pseudo solid. C) Molecular solid. D) Ionic solid. Show Answer Correct Answer: D) Ionic solid. 25. ..... is shown by those substancesin which all the electrons are paired and there are no unpairedelectrons. A) Ferromagnetism. B) Diamagnetism. C) Antiferromagnetism. D) Paramagnetism. Show Answer Correct Answer: B) Diamagnetism. ← 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