This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 58 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 58 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do intrinsic and extrinsic semiconductors differ? A) Intrinsic semiconductors have impurities added, while extrinsic semiconductors are pure. B) Intrinsic semiconductors conduct electricity, while extrinsic semiconductors do not. C) Intrinsic semiconductors are used in external devices, while extrinsic semiconductors are used internally. D) Intrinsic semiconductors are pure, while extrinsic semiconductors have impurities added. Show Answer Correct Answer: D) Intrinsic semiconductors are pure, while extrinsic semiconductors have impurities added. 2. Pada proses pengelasan solid-state penyambungan terjadi tanpa fusi pada antar muka 2 bagian yang akan dilas. Berbeda dengan situasi pada proses pengelasan fusi, dalam pengelasan solid-state tidak ada cairan atau fase cair. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: A) Benar. 3. In which defects equal number of cations and anions are missing from lattice site A) Frenkel defect. B) Schottky defect. C) Vaccancy defect. D) Interstitial defect. Show Answer Correct Answer: B) Schottky defect. 4. ..... solids gradually soften over a range of temperature. A) Crystalline. B) Amorphous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Amorphous. 5. At room temperature, Silicon crystal is a A) Good conductor. B) Semi Conductor. C) Bad Conductor. D) Insulator. Show Answer Correct Answer: B) Semi Conductor. 6. The coordination ratio of NaCl structure A) 6:6. B) 4:4. C) 2:2. D) 8:8. Show Answer Correct Answer: A) 6:6. 7. Crystal with metal deficiency defect is. A) FeO. B) NaCl. C) ZnO. D) KCl. Show Answer Correct Answer: A) FeO. 8. Diamond crystal has: A) Bcc structure. B) Fcc structure. C) Scc structure. D) Hcp structure. Show Answer Correct Answer: B) Fcc structure. 9. The cations leave its normal position in the crystal and move to some interstitial position, the defect in the crystal is known as A) Schottky defect. B) F center. C) Frenkel defect. D) Non stoichiometric defect. Show Answer Correct Answer: C) Frenkel defect. 10. Which of the following is an advantage of Solid-State Storage? A) Silent operation. B) Limited write cycles. C) More moving parts. D) Higher maximum capacities than HDDs. Show Answer Correct Answer: A) Silent operation. 11. The boiling point of ethane is-88$^\circ$C. This temperature will be equivalent to:- A) 285K. B) 288K. C) 185K. D) 361K. Show Answer Correct Answer: C) 185K. 12. The total number of tetrahedral voids and octahedral voids in a given cubic unit cell with N number of atoms will be respectively A) 2N and N. B) N and 2N. C) 4N and N. D) N and 4N. Show Answer Correct Answer: A) 2N and N. 13. If you increase the temperature of a solution you ..... the solubility of most substances. A) Increase. B) Decrease. C) Don't alter. D) None of the above. Show Answer Correct Answer: A) Increase. 14. Metastable state is A) The ground state. B) Any excited state. C) An excited state with relatively larger life time. D) An excited state with relatively smaller life time. Show Answer Correct Answer: C) An excited state with relatively larger life time. 15. Find whether the bonds are ionic or covalent-C-N A) Ionic. B) Covalent. C) None. D) None of the above. Show Answer Correct Answer: B) Covalent. 16. For each pair, indicate which bond will be stronger-b)Li-F, Mg-O A) Li-F. B) Mg-O. C) Both. D) Cannot be defined. Show Answer Correct Answer: B) Mg-O. 17. Inertia friction welding relies on what for generating heat at the interface? A) Electrical resistance. B) Magnetic induction. C) Inert gases. D) Pressure and friction. Show Answer Correct Answer: D) Pressure and friction. 18. The vacant space in BCC lattice unit cell is ..... A) 23%. B) 32%. C) 26%. D) 48%. Show Answer Correct Answer: B) 32%. 19. CONDUCTION BAND is A) The energy difference between the valence and conduction band. B) Band of orbitals that are filled or partially filled by valance electron. C) Unoccupied bands in which electron are free to migrate. D) Lower MOs are occupied by valence e-. Show Answer Correct Answer: C) Unoccupied bands in which electron are free to migrate. 20. Followings are well known as types of crystalline solid except: A) Ionic crystals. B) Molecular crystals. C) Metallic crystals. D) Atomic crystals. Show Answer Correct Answer: D) Atomic crystals. 21. In solid state welding, which factor generates heat to soften the materials? A) Electrical current. B) Pressure. C) Friction. D) Shielding gas. Show Answer Correct Answer: C) Friction. 22. The ability of a given substance to assume two or more crystalline structure is A) Amorphism. B) Isomorphism. C) Polymorphism. D) Isomrism. Show Answer Correct Answer: C) Polymorphism. 23. Which of the following statement is not true about amorphous solids? A) On heating, they may become crystalline at certain temperature. B) They may become crystalline on keeping for long time. C) Amar per solids can be moulded by heating. D) They are anisotropic in nature. Show Answer Correct Answer: D) They are anisotropic in nature. 24. Which of the following types of motor and enclosure is safest? A) Totally enclosed. B) Totally enclosed fan cooled. C) Open time. D) Semi closed. Show Answer Correct Answer: B) Totally enclosed fan cooled. 25. Which of following is ferromagnetic A) Ni. B) Co. C) Fe3O4. D) All are correct. Show Answer Correct Answer: D) All are correct. ← 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