This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 60 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 60 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The effective number of lattice points in the unit. cell of SC, BCC, FCC are A) 1, 2, 2. B) 1, 2, 4. C) 2, 4, 6. D) 2, 3, 4. Show Answer Correct Answer: B) 1, 2, 4. 2. Which type of materials is often joined using ultrasonic welding? A) Thermoplastics. B) Ferrous metals. C) High-carbon steel. D) Lead-based alloys. Show Answer Correct Answer: A) Thermoplastics. 3. Which of the following is antiferromagnetic in nature? A) VO. B) TiO. C) CrO$_{2}$. D) MnO. Show Answer Correct Answer: D) MnO. 4. The coordination number in simple, fcc, bcc close packing arrangement will be respectively A) 1, 4, 2. B) 6, 12, 8. C) 4, 6, 8. D) None of the above. Show Answer Correct Answer: B) 6, 12, 8. 5. Cu(NO)$_{3}$ A) Blue, soluble. B) Green, soluble. C) Blue, insoluble. D) Green, insoluble. Show Answer Correct Answer: A) Blue, soluble. 6. The smallest portion of the lattice is known as ..... A) Lattice structure. B) Lattice point. C) Bravais crystal. D) Unit cell. Show Answer Correct Answer: D) Unit cell. 7. The density of lead is 11.3 g cm$^{-3}$ and the metal crystallizes with fcc unit cell. Estimate the radius of lead atom. (At.mass of lead = 207 g mol$^{-1}$ and N$_{A}$=6.23X10$^{23}$ mol$^{-1}$). A) 374.7pm. B) 200pm. C) 174.7pm. D) 400pm. Show Answer Correct Answer: C) 174.7pm. 8. Why is secondary storage needed? A) It is non-volatile. B) It is volatile. C) It is quicker. D) It is online. Show Answer Correct Answer: A) It is non-volatile. 9. Pick out the wrong statement.I. Ionic solids are poor conductors of electricity and therefore are insulators in solid stateII.Na3PO4 and Na3AsO4 are example of polymorphousIII.calcite and aragonite is an example of isomorphsIV.KNO3 is an example of true solid A) I, IV. B) I, III, IV. C) II, III. D) IV only. Show Answer Correct Answer: C) II, III. 10. Types of Bravais lattices in 3D arrangement is A) 8. B) 12. C) 14. D) 9. Show Answer Correct Answer: C) 14. 11. The inter planar spacing between ( 1 2 2 ) planes found to be 2.35 Angstrom. The lattice constant in case of simple cubic is ..... Angstrom. A) 0.261. B) 0.783. C) 7.05. D) 21.15. Show Answer Correct Answer: C) 7.05. 12. The traveling speed of cranes varies from A) (A) 1 to 2.5 m/s. B) B) 5 to 15 m/s. C) (C) 20 to 22.5 m/s. D) (D) 25 to 40 m/s. Show Answer Correct Answer: A) (A) 1 to 2.5 m/s. 13. Pink colour in LiCl crystal when heated in the presence of Li-vapours is due to ..... A) Cl$^{-}$ ions. B) E$^{-}$ in lattice. C) Li$^{+}$ ions. D) Dissociation. Show Answer Correct Answer: B) E$^{-}$ in lattice. 14. The motor normally used for crane travel is A) AC slip ring motor. B) Ward Leonard controlled DC shunt motor. C) Synchronous motor. D) DC differentially compound motor. Show Answer Correct Answer: A) AC slip ring motor. 15. Fe, Co and Ni are A) Ferrimagnetic materials. B) Anti ferromagnetic material. C) Ferromagnetic materials. D) Diamagnetic materials. Show Answer Correct Answer: C) Ferromagnetic materials. 16. Diamond has a three dimensional structure of C atoms formed by covalent bonds. The structure of diamond has face centred cubic lattice where 50% of the tetrahedral voids are also occupied by carbon atoms. The number of carbon atoms present per unit cell of diamond is ..... A) 6. B) 8. C) 11. D) 12. Show Answer Correct Answer: B) 8. 17. The coordination no of anion is 4 in A) NaCl. B) ZnS. C) CsCl. D) None of the above. Show Answer Correct Answer: B) ZnS. 18. Current flows occur when A) Electrons move from conduction band to valence band. B) Electrons move from valence band to conduction band. C) All the above. D) None of the above. Show Answer Correct Answer: B) Electrons move from valence band to conduction band. 19. Cold Welding (CW) tidak bisa digunakan untuk menyambung benda kerja kecil yang terbuat dari benda logam lunak dan ulet. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: B) Salah. 20. The most efficient type of packing we've learned so far based on how much of the unit cell is taken up by particles A) Hexagonal closest packing. B) Simple cubic packing. C) Body-centered cubic packing. D) Rainbows and unicorns. Show Answer Correct Answer: A) Hexagonal closest packing. 21. It decreases the density of the substance. A) Frenkel defect. B) Schottky defect. C) Metal defects. D) None of the above. Show Answer Correct Answer: B) Schottky defect. 22. Li vapors heated in LICl gives A) Purple. B) Pink. C) Yellow. D) None of the above. Show Answer Correct Answer: B) Pink. 23. Which of the following is not a characteristic of LASERS? A) Monochromatic. B) Coherent. C) Divergent. D) Intense. Show Answer Correct Answer: C) Divergent. 24. Arjun is studying the structure of crystals in his chemistry class. His teacher explains that a unit cell is essential for understanding how crystals are formed. What is a unit cell? A) The smallest component of the crystal that reproduces the whole crystal. B) A type of crystal lattice. C) A point in the crystal lattice. D) An arrangement of atoms in a crystal. Show Answer Correct Answer: A) The smallest component of the crystal that reproduces the whole crystal. 25. Cold pressure spot welding is typically used for which type of fabrication? A) Sheet-metal. B) Forging. C) Casting. D) Extrusion. Show Answer Correct Answer: A) Sheet-metal. ← 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