This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Due to frenkel defect the density of ionic solids ..... A) Increases. B) Decreases. C) Does not change. D) Initially increase then decreases. Show Answer Correct Answer: C) Does not change. 2. You can measure ..... with grams. A) Mass. B) Volume. C) Conductivity. D) Melting point. Show Answer Correct Answer: A) Mass. 3. A concrete sidewalk section 8.000 m by 1.000 m by 0.100 m at exactly 0$^\circ$ C will expand to waht volume at 35$^\circ$ C? A) 1.000 m$^{3}$. B) 0.801 m$^{3}$. C) 0.780 m$^{3}$. D) 1.203 m$^{3}$. Show Answer Correct Answer: B) 0.801 m$^{3}$. 4. In ..... method of starting three phase induction motors the starting voltage is not reduced A) Auto transformer. B) Star Delta. C) Slip ring. D) Any of the above. Show Answer Correct Answer: C) Slip ring. 5. Following a Manual Reactor Trip:-Reactor Trip Breaker R failed to OPEN-Tavg is 572$^\circ$F and loweringBased on the above conditions, the MFW Pumps are ..... (1) ..... , and the MF Regulating Valves are ..... (2) ..... A) TRIPPED(2) OPEN. B) TRIPPED(2) CLOSED. C) RUNNING(2) OPEN. D) RUNNING(2) CLOSED. Show Answer Correct Answer: D) RUNNING(2) CLOSED. 6. Copper has the face centered cubic structure. The coordination number of each ion is A) 4. B) 12. C) 14. D) 8. Show Answer Correct Answer: B) 12. 7. The temperature above which a ferromagnetic substance looses its ferromagnetism is known as A) Critical Temperature. B) Curie Temperature. C) Magnetic Temperature. D) Krafts Temperature. Show Answer Correct Answer: B) Curie Temperature. 8. The crystal with metal deficiency defect is A) Nacl. B) FeO. C) KCl. D) ZnO. Show Answer Correct Answer: B) FeO. 9. In wurtzite sulphide ions have ..... arrangement A) HCP. B) CCP. C) BCC. D) Primitive. Show Answer Correct Answer: A) HCP. 10. The wrong statement about Para magnetism A) They are weakly attracted by a magnetic field. B) They are magnetized in a magnetic field in the same direction. C) They keep their magnetism in the absence of magnetic field. D) It is due to the presence of one or more unpaired electrons. Show Answer Correct Answer: C) They keep their magnetism in the absence of magnetic field. 11. Which substance will conduct the current in the solid state? A) Diamond. B) Graphite. C) Iodine. D) Sodium chloride. Show Answer Correct Answer: B) Graphite. 12. What characteristic of the welding interface makes friction welding unique? A) Smooth and even surface. B) Wavy and undulating shape. C) Porous structure. D) Brittle fractures. Show Answer Correct Answer: B) Wavy and undulating shape. 13. Transfer atom melintasi antar muka; dengan demikian, menerapkan eksternal panas meningkatkan kekuatan ikatan antara 2 permukaan yang disambung, seperti yang terjadi pada Ikatan Difusi. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: A) Benar. 14. Which of the following is a network solid? A) SO2(solid). B) I2. C) Diamond. D) H2O(ice). Show Answer Correct Answer: C) Diamond. 15. The wavelength of x-rays is measured in ..... A) Cm. B) Angstrom. C) Micron. D) Nanometer. Show Answer Correct Answer: B) Angstrom. 16. Which of the following point defects are shown by AgBr(s) crystals?(A) Schottky defect (B) Frenkel defect(C) Metal excess defect (D) Metal deficiency defect A) And (B). B) And (D). C) And (C). D) And (D). Show Answer Correct Answer: A) And (B). 17. Hexagonal closed packing is found in the crystal lattice of ..... A) Na. B) Mg. C) Al. D) Po. Show Answer Correct Answer: B) Mg. 18. Which of the following is a four-level laser? A) ND:YAG. B) Ruby. C) He-Ne. D) Semiconductor laser. Show Answer Correct Answer: A) ND:YAG. 19. Which of the following is the limitation of valence bondtheory? A) It does not distinguish between weak and strongligands. B) It does not give quantitative interpretation of magneticdata. C) It does not explain the colour exhibited bycoordination compounds. D) All of these. Show Answer Correct Answer: D) All of these. 20. If the radius of the octahedral void is 'r' and radius of the atoms in close packing is 'R'. What is the relation between 'r' and 'R'? A) R = 41.4 R. B) R = 0.3010 R. C) R = 0.414 R. D) R = 0.4 R. Show Answer Correct Answer: C) R = 0.414 R. 21. The coordination number of each Atom in bcc is A) 4. B) 6. C) 8. D) 12. Show Answer Correct Answer: C) 8. 22. Such a unit cell contains one constituent particle (atom, molecule or ion) at its body-centre besides the ones that are at its corners. A) BCC. B) FCC. C) ECC. D) None of the above. Show Answer Correct Answer: A) BCC. 23. A metallic crystal crystallizes into a lattice containing a sequence of layers ABABAB A packing of spheres leaves out voids in the lattice . What is the percentage of volume of this lattice in empty space? A) 74%. B) 26%. C) 50%. D) None. Show Answer Correct Answer: B) 26%. 24. Nuclear Magnetic Resonance (NMR) is primarily used to study the ..... A) Thermal properties of materials. B) Structural characteristics of compounds. C) Vibrational modes of crystals. D) Optical properties of semiconductors. Show Answer Correct Answer: B) Structural characteristics of compounds. 25. If in NaCl, the positions of Na$^{+}$ and CI$^{ ..... }$ are interchanged, having fcc arrangement of CI-ions then in the unit cell of NaCI A) Na ions will decrease by 1 while CI ions will increase by 1. B) Na ions will increase by 1 while CI ions will decrease by 1. C) Number of Na and CI will remain the same. D) The crystal structure of NaCl will change. Show Answer Correct Answer: B) Na ions will increase by 1 while CI ions will decrease by 1. ← 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 10Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books