This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an example of solid-state storage? A) Hard Disk Drive. B) USB Flash Drive. C) CD-ROM. D) Floppy Disk. Show Answer Correct Answer: B) USB Flash Drive. 2. What is the energy band gap in semiconductors? A) The energy band gap in semiconductors is less than 0.1 eV. B) The energy band gap in semiconductors ranges from 0.5 eV to 10 eV. C) The energy band gap in semiconductors is always 5 eV. D) The energy band gap in semiconductors typically ranges from 0.1 eV to 3 eV. Show Answer Correct Answer: D) The energy band gap in semiconductors typically ranges from 0.1 eV to 3 eV. 3. How do you change properties of solid state A) By altering arrangements of constituent particles. B) By adding impurities. C) By heating. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 4. What is the basic principle of semiconductor physics? A) The generation of heat in materials through insulation. B) The enhancement of electrical conductivity by cooling. C) The reduction of charge carriers through ionization. D) The control of charge carriers in materials through doping. Show Answer Correct Answer: D) The control of charge carriers in materials through doping. 5. The time for half life period of a certain reaction A $\rightarrow$ products is 1 hour. When the initial concentration of the reactant 'A', is 2.0 mol L$^{-1}$, how much time does it take for its concentration to come from 0.50 to 0.25 mol L$^{-1}$ if it is a zero order reaction. A) 4hrs. B) 0.5hrs. C) 0.25hrs. D) 1hr. Show Answer Correct Answer: C) 0.25hrs. 6. A supersaturated solution is one that ..... A) Contains the maximum amount of dissolved solute. B) Contains less solute than a saturated solution. C) Contains more solute than a saturated solution. D) Is the amount of a substance required to form a saturated solution. Show Answer Correct Answer: C) Contains more solute than a saturated solution. 7. In a solid, oxide ions are arranged in ccp. Cations A occupy one-sixth of the tetrahedral voids and cations B occupy one-third of the octahedral voids. The formula of the compound is ..... A) ABO$_{3 }$. B) AB$_{2}$O$_{3}$. C) A$_{2}$BO$_{3}$. D) A$_{2}$B$_{2}$O$_{3}$. Show Answer Correct Answer: A) ABO$_{3 }$. 8. The packing efficiency of a bcc arrangement is ..... ? A) 52.4%. B) 74%. C) 68%. D) 56%. Show Answer Correct Answer: C) 68%. 9. Metallic nanotubes exhibit ..... structure A) Armchair. B) Zigzag. C) Chiral. D) All of the above. Show Answer Correct Answer: A) Armchair. 10. The correct order of the packing efficiency in different types of unit cells is ..... A) Fcc < bcc < simple cubic. B) Fcc > bcc > simple cubic. C) Fcc < bcc > simple cubic. D) Bcc < fcc > simple cubic. Show Answer Correct Answer: B) Fcc > bcc > simple cubic. 11. Which of the following is NOT an advantage of solid state welding processes? A) High-quality welds. B) Speedy welding. C) Low energy consumption. D) Ability to weld metals at high temperatures. Show Answer Correct Answer: D) Ability to weld metals at high temperatures. 12. Bravais lattices possible for orthorhombic system are ..... A) Simple, FC, BC. B) Simple, FC, BC, EC. C) Simple. D) Simple, BC. Show Answer Correct Answer: B) Simple, FC, BC, EC. 13. Example of solid state laser is A) None of these. B) He-Ne. C) GaN. D) Rhodamine. Show Answer Correct Answer: A) None of these. 14. An example of solid sol is: A) Butter. B) Hair Cream. C) Gem Stones. D) Paint. Show Answer Correct Answer: C) Gem Stones. 15. Ethyene glvcol and water mixture is used in car radiators in cold countries.why? A) It lowers the boiling point of water. B) It increases the boiling point of water. C) It lowers the freezing point of water. D) It increases the freezing point of water. Show Answer Correct Answer: C) It lowers the freezing point of water. 16. Dalam Cold Welding (CW), tekanan tidak diterapkan pada benda kerja melalui cetakan atau gulungan. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: B) Salah. 17. If the atom is assumed to be a hard-sphere then the value of the highest APF in metals will be A) O.74. B) 0.85. C) 0.99. D) 1.00. Show Answer Correct Answer: A) O.74. 18. The susceptibility of diamagnetic materials are A) Positive. B) Negative. C) Highly positive. D) None of the above. Show Answer Correct Answer: B) Negative. 19. The coordination ratio of anti fluoride structure A) 4:8. B) 8:4. C) 4:4. D) 8:8. Show Answer Correct Answer: A) 4:8. 20. Pure water has density 1000kg/m$^{3}$. Choose the correct molarity for pure water. A) 10 M. B) 18 M. C) 55.5 M. D) 1000 M. Show Answer Correct Answer: C) 55.5 M. 21. The packing efficiency in simple, fcc, bcc unit cells will be respectively A) 74% 52.4% 68%. B) 52.4% 68% 74%. C) 68% 74% 52.4%. D) 52.4% 74% 68%. Show Answer Correct Answer: D) 52.4% 74% 68%. 22. Iodine molecules are held in the crystals lattice by A) London forces. B) Dipole-dipole interactions. C) Covalent bonds. D) Coulombic forces. Show Answer Correct Answer: A) London forces. 23. Number of atoms per unit cell for scc structure is: A) 2. B) 4. C) 3. D) 1. Show Answer Correct Answer: D) 1. 24. Where the constituent particles are fixed A) Liquid. B) Gas. C) Solid. D) Both A and C. Show Answer Correct Answer: C) Solid. 25. A solid compound contains X, Y and Z atoms in a cubic lattice with X atoms occupying the corners, Y atoms in the body centred position and Z atoms at the centres of faces of the unit cell. What is the empirical formula of the compound? A) XY2Z3. B) XYZ. C) XYZ3. D) X2YZ3. Show Answer Correct Answer: C) XYZ3. ← 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