This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In Ruby Laser the active energy levels are provided by A) Aluminimum. B) Cromium. C) Both Al$_{2}$O$_{3}$ and Cr$^{3+}$. D) By oxygen layers. Show Answer Correct Answer: C) Both Al$_{2}$O$_{3}$ and Cr$^{3+}$. 2. What is the change in length of a 2.00-m copper pipe if its temperature is raised from 23$^\circ$C to 978$^\circ$C? A) 0.0031 m. B) 0.035 m. C) 0.031 m. D) 0.0035 m. Show Answer Correct Answer: A) 0.0031 m. 3. Which among the following is not true for crystalline solid? A) They do not show long range order. B) They show anisotropy. C) They have sharp melting point. D) They are also called true solids. Show Answer Correct Answer: A) They do not show long range order. 4. If x atoms undergo CCP, what is the number of octahedral voids A) X. B) 2x. C) 3x. D) 4x. Show Answer Correct Answer: A) X. 5. What is the Fermi energy? A) The maximum energy that electrons can have at absolute zero. B) The energy of phonons at room temperature. C) The energy required to remove an electron from an atom. D) None of the above. Show Answer Correct Answer: A) The maximum energy that electrons can have at absolute zero. 6. Most unsymmetrical Crystal is A) Cubic. B) Triclinic. C) Hexagonal. D) Monoclinic. Show Answer Correct Answer: B) Triclinic. 7. The difference in the electrical conductivity of metals, insulators, and semiconductors can be understood in terms of A) VBT. B) Band theory. C) Resonance. D) Hybridization. Show Answer Correct Answer: B) Band theory. 8. Smallest portion of a crystal lattice which when repeated in different directions generates entire lattice is A) Crystal lattice. B) Bravais lattice. C) Unit cell. D) None of the above. Show Answer Correct Answer: C) Unit cell. 9. ..... show permanent magnetism even when the magnetic field is removed A) Paramagnetic. B) Antiferro magnetic. C) Ferri magnetic. D) Ferro magnetic. Show Answer Correct Answer: D) Ferro magnetic. 10. In octahedral void and tetrahedral void, radius ratio (in closest packing) A) 0.414/0.225. B) 0.255/0.414. C) 0.225*0.414. D) None. Show Answer Correct Answer: A) 0.414/0.225. 11. A ferromagnetic substance becomes a permanent magnet when placed in a magnetic field because- A) All the domains get oriented in the direction of magnetic field. B) All the domains get oriented in the direction opposite to the direction of magnetic field. C) Domains get oriented randomly. D) Domains are not affected by magnetic field. Show Answer Correct Answer: A) All the domains get oriented in the direction of magnetic field. 12. An electron trapped in an anion cavity in a crystal is called A) Frenkel defect. B) Schottky defect. C) Interstitial defect. D) F-centre. Show Answer Correct Answer: D) F-centre. 13. A primitive cell has: A) Minimum volume. B) Maximum volume. C) Zero volume. D) Negative volume. Show Answer Correct Answer: A) Minimum volume. 14. An solid AB having the NaCl structure, A atoms occupy the Corners of the cubic unit cell If all the face-centered atoms along one of the axes are removed then the resultant stoichiometry of the solid is A) AB$_{2}$. B) A$_{2}$B. C) A$_{3}$B$_{4}$. D) A$_{4}$B$_{3}$. Show Answer Correct Answer: C) A$_{3}$B$_{4}$. 15. The phenomenon of magnetic levitation in superconductors is due to ..... A) The Meissner effect. B) The Hall effect. C) The Josephson effect. D) Thermal expansion. Show Answer Correct Answer: A) The Meissner effect. 16. Which of the following describes the hexagonal close packed arrangement of sphere A) ABCABC. B) ABCABA. C) ABABA. D) ABBAA. Show Answer Correct Answer: C) ABABA. 17. This synthesis method relies on strongly exothermic reactions to drive solid-state reactivity. A) Reflux. B) Explosion. C) Metathesis. D) Schlenk synthesis. Show Answer Correct Answer: C) Metathesis. 18. If the distance between Na$^{+}$ and Cl$^{-}$? ions in sodium chloride crystal is X pm, the length of the edge of the unit cell is A) 4X pm. B) 2X pm. C) X/2 pm. D) X/4 pm. Show Answer Correct Answer: B) 2X pm. 19. The number of constituent particles in BCC = ..... A) 2. B) 9. C) 8. D) 14. Show Answer Correct Answer: B) 9. 20. If the chemical potential $\mu$ of a component in solution is lower than in the pure state, the mixing process is: A) Endergonic. B) Exergonic. C) Isobaric. D) Isochoric. Show Answer Correct Answer: B) Exergonic. 21. The dielectric constant for a material with electrical susceptibility of 4 is ..... A) 3. B) 8. C) 16. D) 5. Show Answer Correct Answer: C) 16. 22. Thyristor is also know as A) GTO. B) IGBT. C) SCR. D) LASCR. Show Answer Correct Answer: C) SCR. 23. Which type of defect will appear when CaCl$_{2}$ is added to AgCl? A) Schottky defect. B) Frenkel defect. C) Both schottky and frenkel defect. D) Non-stoichiometric defects. Show Answer Correct Answer: A) Schottky defect. 24. These are the characteristics of Trivalent impurities except A) 3 valence electrons. B) Producing a "hole". C) Produce p-type semiconductors. D) Antimony, arsenic, and phosphorus are the examples. Show Answer Correct Answer: D) Antimony, arsenic, and phosphorus are the examples. 25. If you have a sample of MgCl$_{2}$ with a mass of 15.0 g, what would need to be the final volume of the solution if you need the concentration to be 0.25 M? A) 630 mL. B) 0.63 mL. C) 0.039 mL. D) 39 mL. Show Answer Correct Answer: A) 630 mL. ← 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