This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A cube does not have the symmetry element A) C$_{4}$. B) C$_{3}$. C) C$_{2}$. D) C$_{6}$. Show Answer Correct Answer: D) C$_{6}$. 2. To get an n-type semiconductor from silicon, it should be to dobed with a substance with valency ..... A) 3. B) 1. C) 2. D) 5. Show Answer Correct Answer: D) 5. 3. How many atoms can be assigned to its unit cell if an element forms a body-centered cubic cell? A) 2. B) 4. C) 1. D) 3. Show Answer Correct Answer: A) 2. 4. What are constituent in ionic solid? A) Molecules. B) Atoms. C) Ions. D) Metal ions. Show Answer Correct Answer: C) Ions. 5. It stated that undercharged atoms or molecules crystallize in simple cubic structures because A) They are water insoluble. B) They are water soluble. C) They pack more efficiently in closest packed. D) None of the above. Show Answer Correct Answer: C) They pack more efficiently in closest packed. 6. An example of molecular crystal is ..... A) Ice. B) Graphite. C) NaCl. D) Gold. Show Answer Correct Answer: A) Ice. 7. The interaction between A and B are weaker than A-A and B-B interactions. it will show A) Positive deviation from Raoult's law. B) Negative deviation from Raoult's law. C) All the above. D) None of the above. Show Answer Correct Answer: A) Positive deviation from Raoult's law. 8. Which of these is not a network solid? A) Na. B) KBr. C) Diamond. D) CO2. Show Answer Correct Answer: D) CO2. 9. Which one of the following compounds can show frenkel defect? A) ZnS. B) AgCl. C) Agl. D) All of these. Show Answer Correct Answer: D) All of these. 10. Which welding process involves the use of an electrical arc to join materials together? A) Resistance spot welding. B) Ultrasonic welding. C) Friction welding. D) Explosive welding. Show Answer Correct Answer: A) Resistance spot welding. 11. Which of the following compound is metallic and ferromagnetic? A) VO$_{2}$. B) TiO$_{2}$. C) MnO$_{2}$. D) CrO$_{2}$. Show Answer Correct Answer: D) CrO$_{2}$. 12. Solubility of gases are greater in ..... water. A) Hot. B) Room temperature. C) Cold. D) Warm. Show Answer Correct Answer: C) Cold. 13. TYPE-IV CALCULATION OF INTERIONIC DISTANCEQ.What is the distance between Na$^{+}$ and Cl$^{-}$ in a NaCl crystal if its density is 2.165 g cm$^{-3}$?$^{ }$NaCl crystallises in the fcc lattice. A) 181PM. B) 281PM. C) 481PM. D) 381PM. Show Answer Correct Answer: B) 281PM. 14. Centrifugal pumps are usually driven by A) DC shunt motors. B) DC series motors. C) Squirrel cage induction motors. D) Any of the above. Show Answer Correct Answer: C) Squirrel cage induction motors. 15. Choose the correct statement for Frenkel defect. A) A pair of one cation and one anion missing from regular sites in ionic crystal. B) Density of substance decreases. C) Atom occupies a definite position in the lattice that is not normally occupied in the perfect crystal. D) An ion displaced from a regular site to an interstitial site in ionic crystal. Show Answer Correct Answer: D) An ion displaced from a regular site to an interstitial site in ionic crystal. 16. In the unit cell of NaCl lattice, there are ..... ? A) 3 Na$^{+}$ ions. B) 4 NaCl units. C) 6 Cl$^{-}$ ions. D) 6 Na$^{+}$ ions. Show Answer Correct Answer: B) 4 NaCl units. 17. Which type of solid conduct electricity in molten state but not in solidstate? A) Metallic. B) Covalent. C) Ionic. D) Network. Show Answer Correct Answer: C) Ionic. 18. Biaya yang lebih mahal daripada relay elektromagnetik tradisional2. Panas yang dihasilkan semikonduktor harus ditangani dengan baik3. Rentan rusak akibat lonjakan atau kebocoran arus listrik4. Kurang kuat menghadapi suhu ekstrem atau kelembaban tinggi.Termasuk dari ..... A) Cara kerja SSR. B) Kelebihan SSR. C) Fungsi SSR. D) Kekurangan SSR. Show Answer Correct Answer: D) Kekurangan SSR. 19. How many space lattices are possible in a crystal? A) 160. B) 270. C) 14. D) 24. Show Answer Correct Answer: C) 14. 20. ..... is directly explained by the Drude-Lorentz theory. A) Ohm's law. B) Ampere's law. C) Faraday's law. D) Coulomb's law. Show Answer Correct Answer: A) Ohm's law. 21. Relay state solid yang diisolasi dengan reed menggunakan saklar reed (buluh) yang kedap udara sebagai elemen isolasi. Saklar reed adalah jenis perangkat pengalih atau sensor yang diaktifkan oleh medan magnet yang dihasilkan oleh sebuah kumparan eksternal. Saklar reed pada SSR menutup thyristor untuk menghasilkan tindakan pengalihan afdalah jenis SSR A) Hybrid SSR. B) Reed Isolated SSR. C) Photo Coupled SSR. D) Transformer Isolated SSR. Show Answer Correct Answer: B) Reed Isolated SSR. 22. Somerfeld's free electron theory is equivalent to A) 3D box problem of Q.Mechanics. B) 1D finite barrier well problem. C) 1D infinite potential well problem. D) 1D finite potential well problem. Show Answer Correct Answer: C) 1D infinite potential well problem. 23. How many no of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube A) 1/2, 1. B) 1/8, 1. C) 1/8, 1/2. D) 1, 1/2. Show Answer Correct Answer: B) 1/8, 1. 24. The band gap of semiconductor is A) Larger than conductor. B) Smaller than insulator. C) Smaller than conductor. D) None, since the bands are overlapping to each other. Show Answer Correct Answer: C) Smaller than conductor. 25. D.C. shunt motors are used for driving A) Machine tools. B) Cranes. C) Trains. D) Hoists. Show Answer Correct Answer: A) Machine tools. 26. Which of the following transition metal oxides is paramagnetic? A) Mn2O3. B) VO. C) Cu2O. D) TiO. Show Answer Correct Answer: B) VO. 27. Total number of body diagonal in unit cell A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 28. Analysis shows that nickel oxide has the formula Ni$_{0.98}$O$_{1.00}$. What fractions of nickel exist as Ni$^{2+}$ ions? A) 4%. B) 14%. C) 86%. D) 96%. Show Answer Correct Answer: D) 96%. 29. How many atoms are present in face centred unit cell A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: B) 4. 30. Conductivity of conductors is A) 10$^{-7 }$ to 10$^{7}$ ohm$^{-}$m$^{-}$. B) 10$^{4 }$ to 10$^{7}$ ohm$^{-}$m$^{-}$. C) 10-20$^{ }$ to 10$^{7}$ ohm$^{-}$m$^{-}$. D) None of the above. Show Answer Correct Answer: B) 10$^{4 }$ to 10$^{7}$ ohm$^{-}$m$^{-}$. 31. The empty space in the hexagonal close packing is ..... % while that in the BCC is ..... % A) Around 26, around 32. B) Around 45, around 32. C) Around 74, around 68. D) None. Show Answer Correct Answer: A) Around 26, around 32. 32. C N of diamond(Carbon) A) 4. B) 6. C) 2. D) 8. Show Answer Correct Answer: D) 8. 33. Aluminium crystallizes in fcc. The edge length of unit cell of aluminium is 4.05. What is density of aluminium A) 4700 kg m-3. B) 2700 kg m-3. C) 3700 kg m-3. D) 2400 kg m-3. Show Answer Correct Answer: B) 2700 kg m-3. 34. The highest filled energy band in a solid is called A) Valence band. B) Conduction band. C) Fermi level. D) Equal level. Show Answer Correct Answer: A) Valence band. 35. The speed of a D.C. series motor is A) Proportional to the square of the armature current. B) Proportional to field current. C) Inversely proportional to the armature current. D) Proportional to the armature current. Show Answer Correct Answer: C) Inversely proportional to the armature current. 36. Each of the following solids shows the Frenkel defect except A) Agl. B) Zns. C) Kcl. D) Agbr. Show Answer Correct Answer: C) Kcl. 37. The field of an induction motor rotor rotates relative to the stator at A) Rotor speed. B) Synchronous speed. C) Slip speed. D) Very low speed. Show Answer Correct Answer: B) Synchronous speed. 38. N-type semiconductor are A) Either Negatively or Positively charged. B) Positively charged. C) Negatively charged. D) Neutral. Show Answer Correct Answer: D) Neutral. 39. Which welding process is commonly used for cladding and joining large pipes in the petrochemical industry? A) Diffusion Bonding (DFW). B) Ultrasonic Welding (USW). C) Explosive Welding (EXW). D) Cold Welding (CW). Show Answer Correct Answer: C) Explosive Welding (EXW). 40. In graphite, C-atoms form interlinked ..... membered rings. A) Seven. B) Six. C) Four. D) Five. Show Answer Correct Answer: B) Six. 41. A material has identical properties in all directions, it is said to be ..... A) Orthotropic. B) Homogeneous. C) Isotropic. D) Anisotropic. Show Answer Correct Answer: C) Isotropic. 42. Which welding process is effective for joining aluminum to steel? A) Ultrasonic Welding (USW). B) Explosive Welding (EXW). C) Friction Welding (FRW). D) Cold Welding (CW). Show Answer Correct Answer: C) Friction Welding (FRW). 43. Nanoscience can be studied with the help of A) Geophysics. B) Macro-dynamics. C) Quantum mechanics. D) Newtonian mechanics. Show Answer Correct Answer: C) Quantum mechanics. 44. Which types of solids are isotropic A) Amorphous solids. B) Crystalline solids. C) Both. D) None of the above. Show Answer Correct Answer: A) Amorphous solids. 45. Which in the following is an ionic giant structure? A) NaCl. B) Iodine. C) Water. D) None of the above. Show Answer Correct Answer: A) NaCl. 46. Amorphous solids are known as: A) True solids. B) Crystalline solids. C) Super cooled liquid. D) None of the above. Show Answer Correct Answer: C) Super cooled liquid. 47. For n-type semiconductor Si should be doped with an element with valence electrons A) 2. B) 3. C) 1. D) 5. Show Answer Correct Answer: D) 5. 48. In primitive cells the lattice points are ..... A) Neither inside the cell nor at the corners. B) Only at the corners. C) Either inside the cell or at the corners. D) Only inside the cell. Show Answer Correct Answer: B) Only at the corners. 49. Which of the following does not represent the type of crystal system?a. Triclinic.b. Monoclinicc. Rhombohedrald. Isotropical A) C. B) A. C) D. D) B. Show Answer Correct Answer: C) D. 50. What is the temperature dependence of charge carriers in semiconductors? A) Charge carriers are only present at absolute zero temperature in semiconductors. B) Temperature has no effect on charge carrier concentration in semiconductors. C) Charge carrier concentration decreases with temperature in semiconductors. D) Charge carrier concentration increases with temperature in semiconductors. Show Answer Correct Answer: D) Charge carrier concentration increases with temperature in semiconductors. 51. For a crystal, X-rays of wavelength 1.54 Angstrom irradiated ( 1 2 1 ) planes. If the inter planar spacing is 1.1 Angstrom, then the order of Bragg's diffraction is ..... A) 2. B) 2.43. C) 1. D) 1.43. Show Answer Correct Answer: C) 1. 52. What is one reason solid-state storage is considered more robust? A) No moving parts. B) Uses more energy. C) High cost. D) Has moving parts. Show Answer Correct Answer: A) No moving parts. 53. These substances make better permanent magnets A) Ferrimagnetism. B) Diamagnetism. C) Ferromagnetism. D) Paramagnetism. Show Answer Correct Answer: C) Ferromagnetism. 54. Amorphous solids are A) Substances with definite melting point. B) Solid substance in real sense. C) Super cooled liquids. D) Liquid in real sense. Show Answer Correct Answer: C) Super cooled liquids. 55. Atoms of element B form hcp lattice and those of the element A occupy 2/3rd of tetrahedral voids. The formula of the compound formed by the elements A and B is: A) AB. B) A $_{4}$B $_{3}$. C) A $_{3}$B $_{4}$. D) A $_{2}$B. Show Answer Correct Answer: B) A $_{4}$B $_{3}$. 56. Zinc sulphide is an example of ..... solid. A) Metallic. B) Covalent. C) Ionic. D) Nonpolar. Show Answer Correct Answer: C) Ionic. 57. The site where the electron is trapped in the anion vacancy is called A) B centre. B) F centre. C) A centre. D) None of the above. Show Answer Correct Answer: B) F centre. 58. What is the significance of the diode's reverse saturation current? A) It determines the forward voltage drop of the diode. B) It measures the diode's temperature coefficient. C) It indicates the maximum current the diode can handle. D) The reverse saturation current indicates the leakage current in a diode and affects its performance. Show Answer Correct Answer: D) The reverse saturation current indicates the leakage current in a diode and affects its performance. 59. Choose the correct molality value for an aqueous solution boiling at 100.01$^{0}$C. The molal elevation constant for water is 0.5 Kkgmol$^{-1}$. A) 0.21. B) 0.03. C) 0.05. D) 0.02. Show Answer Correct Answer: D) 0.02. 60. Solids have definite A) Volume and shape. B) Compressible. C) Soft. D) None. Show Answer Correct Answer: A) Volume and shape. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books