This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements is true for an amorphous solid? A) Long range order is present. B) Short range order is present. C) There is no orderly arrangement. D) Complete order is present at lower temperatures. Show Answer Correct Answer: B) Short range order is present. 2. Total no of tetrahedral voids in FCC unit cell A) 6. B) 8. C) 10. D) 12. Show Answer Correct Answer: B) 8. 3. The number of octahedral void(s) per atom present at a cubic close packed structure is A) 1. B) 3. C) 2. D) 4. Show Answer Correct Answer: A) 1. 4. A compound is formed by two elements, A and B. A occupies all corners of cube and center of cube. B is present on centers of faces. what is formula of unit cell? A) A$_{2}$B$_{3}$. B) AB$_{3}$. C) AB$_{4}$. D) AB. Show Answer Correct Answer: A) A$_{2}$B$_{3}$. 5. Describe the drift and diffusion of charge carriers in a semiconductor. A) Diffusion occurs only at absolute zero temperature. B) Drift is the movement of charge carriers under an electric field, while diffusion is the movement due to concentration gradients. C) Drift is the random movement of charge carriers in a vacuum. D) Drift and diffusion are the same process in semiconductors. Show Answer Correct Answer: B) Drift is the movement of charge carriers under an electric field, while diffusion is the movement due to concentration gradients. 6. Assertion:FeO is non-stoichiometric with Fe0.95O. Reason:Some Fe2+ ions are replaced by Fe3+. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 7. Based on the nature of intermolecular forces, classify the following solids:Silicon carbide A) Ionic solid. B) Covalent solid. C) Molecular solid. D) Metallic solid. Show Answer Correct Answer: B) Covalent solid. 8. Edge length of a unit cell of silver lattice ( molar mass= 108 ) is 408.6 pm. The density is 10.5 g/cm$^{3}$. How many atoms are there per unit cell? A) 2. B) 3. C) 1. D) 4. Show Answer Correct Answer: D) 4. 9. Tetrahedral voids are located at ..... A) Edge. B) Diagonal. C) Centre. D) Corner. Show Answer Correct Answer: B) Diagonal. 10. On doping silicon with Al atom, we get A) N-type semiconductor. B) P-type semiconductor. C) Insulator. D) Conductor. Show Answer Correct Answer: B) P-type semiconductor. 11. Name the substances which are weakly attracted by a magnetic field & is due to presence of one or more unpaired electrons. A) Paramagnetic. B) Dimagnetic. C) Ferrimagnetic. D) Ferromagnetic. Show Answer Correct Answer: A) Paramagnetic. 12. Coordination no. in square close packed st. in 2D A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 13. In Frenkel defect the effect on density will be:- A) Increase. B) Decrease. C) No change. D) Both (a) and(b). Show Answer Correct Answer: C) No change. 14. Which type of vacancy occur when CdCl$_{2}$ is added to AgCl? A) Anion vacancy. B) Cation vacancy. C) Both types of vacancies. D) None of the two vacancies. Show Answer Correct Answer: B) Cation vacancy. 15. What type of materials are suitable for Diffusion Bonding (DFW)? A) Ferrous materials only. B) Non-ferrous materials only. C) High-strength materials like titanium. D) Stainless steel, aluminum, low-alloy steels, and more. Show Answer Correct Answer: D) Stainless steel, aluminum, low-alloy steels, and more. 16. Which of the following is called super cooled liquids A) Table salt. B) Glass. C) Quartz. D) Iron bar. Show Answer Correct Answer: B) Glass. 17. Which of the following force tent to keep the constituent particles closer A) Thermal energy. B) Intermolecular force. C) Both thermal energy and intermolecular forces. D) None of these. Show Answer Correct Answer: B) Intermolecular force. 18. $\uparrow$ $\uparrow$ $\uparrow$ $\uparrow$ A) Diamagnetism. B) Ferromagnetism. C) Ferrimagnetism. D) Antiferromagnetism. Show Answer Correct Answer: B) Ferromagnetism. 19. The partial pressure of the gas in vapour phase p is ..... proportional to the mole fraction of the gas x in the solution. A) Inversely. B) Equal. C) Directly. D) None of the above. Show Answer Correct Answer: C) Directly. 20. Which of the following conditions favours the existence of a substance in the solid state? A) High temperature. B) Low temperature. C) High termal energy. D) Weak cohesive forces. Show Answer Correct Answer: B) Low temperature. 21. The point defect that always occurs in pairs is called A) Schottky. B) Frenkel. C) F-Center. D) Interstitial. Show Answer Correct Answer: A) Schottky. 22. Which symmetry operation describes a reflection plus a translation? A) Rotoinversion. B) Trans-mirror-ation. C) Screw axis. D) Glide plane. Show Answer Correct Answer: D) Glide plane. 23. Which crystal structure is characterized by a body-centered cubic arrangement? A) CsCl. B) NaCl. C) HCP. D) BCC. Show Answer Correct Answer: D) BCC. 24. How many complete atoms can we find on the BCC (body centered cubic) structure? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 25. The electricity produced on applying the stress on the crystals is called A) Pyroelectricity. B) Piezoelectricity. C) Ferroelectricity. D) Antiferroelectricity. Show Answer Correct Answer: B) Piezoelectricity. ← 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