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 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A) Graphite is a covalent solid. B) Graphite is a good conductor. A) A and B are correct. B) B is correct. C) A is correct. D) Both are wrong. Show Answer Correct Answer: A) A and B are correct. 2. On heating LiCl, the defect shown by it is A) Non-Stoichiometric defect. B) Stoichiometric defect. C) Schottky defect. D) Frenkel defect. Show Answer Correct Answer: A) Non-Stoichiometric defect. 3. Which of the following statements is incorrect? Powder x-ray diffraction (XRD) uses x-rays to A) Measure the crystalline content of materials. B) Image the surface topography of crystalline materials. C) Identify the crystalline phases present in materials. D) Determine the spacing between the lattice planes of crystalline materials. Show Answer Correct Answer: B) Image the surface topography of crystalline materials. 4. The liquified metal expanding on solidification is A) Al. B) Cu. C) Ga. D) Zn. Show Answer Correct Answer: C) Ga. 5. The particles in a crystalline solid do not move at all. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. Calculate the frequency of the rotor side of the IM if the value of slip is 0.34 and the supply frequency is 70 Hz. A) 21.5. B) 23.8 hz. C) 24. D) 22.7. Show Answer Correct Answer: B) 23.8 hz. 7. What is the primary purpose of friction welding in solid state welding? A) To create high-pressure gas. B) To generate electrical currents. C) To apply a protective coating. D) To produce frictional heat. Show Answer Correct Answer: D) To produce frictional heat. 8. What is the primary characteristic of crystalline solids? A) Definite repetition pattern. B) Random arrangement of atoms. C) Irregular atomic structure. D) Absence of periodicity. Show Answer Correct Answer: A) Definite repetition pattern. 9. Which of the following is a covalent or network solid? A) SiC. B) NaCl. C) Diamond. D) Ice. Show Answer Correct Answer: C) Diamond. 10. The contribution of a particle at end face center to the unit cell is A) 1/8. B) 1/1. C) 1/4. D) 1/2. Show Answer Correct Answer: C) 1/4. 11. The density of a face centred cubic element (atomic mass=60.2 amu) is 6.25 g cm$^{-3}$. Calculate the length of the edge of the unit cell. A) 400pm. B) 200pm. C) 100pm. D) 300pm. Show Answer Correct Answer: A) 400pm. 12. Most of the crystals show good cleavage because their constituting particles are A) Weakly bonded together. B) Strongly bonded together. C) Spherically symmetrical. D) Arranged in planes. Show Answer Correct Answer: D) Arranged in planes. 13. In which of the following Crystal's alternative tetrahedral voids are occupied? A) CaF2. B) ZnS. C) NaCl. D) Na2O. Show Answer Correct Answer: B) ZnS. 14. An element with molar mass 2.7 x 10 $^{-2}$ kg mol $^{-1}$ forms a cubic unit cell with edge length 405 pm. If its density is 2.7 x 10 $^{3}$ kg m $^{-3}$, the nature of cubic unit cell is: A) Ccp. B) Bcc. C) Fcc. D) Hcp. Show Answer Correct Answer: C) Fcc. 15. An amorphous solid A) NaCl. B) CaCl$_{2}$. C) CsCl. D) Glass. Show Answer Correct Answer: D) Glass. 16. Wax is an example of ..... ? A) Covalent crystal. B) Molecular crystal. C) Ionic crystal. D) Amorphous solid. Show Answer Correct Answer: B) Molecular crystal. 17. The total number of Bravais lattice in a crystal is: A) 7. B) 14. C) 16. D) 32. Show Answer Correct Answer: B) 14. 18. At zero kelvin semiconductors are A) Perfect Insulators. B) Perfect semiconductor. C) Perfect metals. D) Perfect Non metals. Show Answer Correct Answer: A) Perfect Insulators. 19. What type of force handles for active torques? A) Gravitational forces. B) Strong nuclear forces. C) Weak nuclear forces. D) Electrostatic forces. Show Answer Correct Answer: A) Gravitational forces. 20. ..... solids are also called giant solids or network solids. A) Molecular. B) Covalent. C) Ionic. D) Metallic. Show Answer Correct Answer: B) Covalent. 21. TYPE-VI CALCULATION OF ATOMIC MASS/MOLECULAR MASSQ. (a) An element crystallizes in BCC structure. The edge length of its unit cell is 288 pm . If the density of the crystals is 7.2 g cm$^{-3}$, what is the atomic mass of the element?(b) How many atoms of this element are present in 100 g? A) 107.9g/mol, 6.0 X10$^{23}$atoms. B) 23g/mol, 9.62X10$^{23}$atoms. C) 56g/mol, 11.62X10$^{23}$atoms. D) 51.8g/mol, 11.62X10$^{23}$atoms. Show Answer Correct Answer: D) 51.8g/mol, 11.62X10$^{23}$atoms. 22. The percentage of empty space in a ccp arrangement is A) 74. B) 68. C) 52.4. D) 26. Show Answer Correct Answer: D) 26. 23. If the pressure of a NaCl structure is increased, then its co-ordination number will: A) Either (B) or (C). B) Remain the same. C) Decrease. D) Increase. Show Answer Correct Answer: D) Increase. 24. What type of welding process involves pressure welding by detonating an explosive layer? A) Explosive Welding (EXW). B) Cold Welding (CW). C) Ultrasonic Welding (USW). D) Flash Welding (FW). Show Answer Correct Answer: A) Explosive Welding (EXW). 25. What is Solid-State Storage? A) A type of storage that uses integrated circuit assemblies. B) A type of storage with moving parts. C) A type of storage that is only used in servers. D) A type of storage that only uses magnetic disks. Show Answer Correct Answer: A) A type of storage that uses integrated circuit assemblies. 26. NaCl is an example for A) Ionic solids. B) Metallic solids. C) Molecular solids. D) Non polar molecular solids. Show Answer Correct Answer: A) Ionic solids. 27. Which of the given solids have both Schottky and Frenkel defects? A) NaBr. B) AgCl. C) NaCl. D) AgBr. Show Answer Correct Answer: D) AgBr. 28. An example of a covalent crystalline solid is A) Si. B) Al. C) NaF. D) Ar. Show Answer Correct Answer: A) Si. 29. How does temperature affect the diode current? A) Temperature has no effect on diode current. B) Diode current is only affected by voltage, not temperature. C) Higher temperature decreases diode current due to increased resistance. D) Temperature increases diode current due to higher intrinsic carrier concentration. Show Answer Correct Answer: D) Temperature increases diode current due to higher intrinsic carrier concentration. 30. An example of a semiconductor application is ..... A) Window glass. B) Copper wires. C) Transistors in computer chips. D) Iron rods. Show Answer Correct Answer: C) Transistors in computer chips. 31. The coordination number of Ti in Rutile is ..... A) 8. B) 4. C) 6. D) 3. Show Answer Correct Answer: C) 6. 32. As a result of Schottky defect A) There is no effect on the density. B) Density of the crystal increases. C) Density of the crystal decreases. D) Any of the above three can happen. Show Answer Correct Answer: C) Density of the crystal decreases. 33. If 3 element A, B, C Crystallize in a cube structure A is at corner B at centre C at face formula will be A) ACB3. B) A3BC. C) AB3C. D) NONE. Show Answer Correct Answer: A) ACB3. 34. Ananya is studying different types of materials in her chemistry class. She learns about solids and comes across a specific type of solid known for its orderly arrangement of particles. Which of the following is a characteristic of this crystalline solid? A) Is opaque to light. B) Has a random arrangement of particles. C) Exhibits a sharp melting point. D) Is isotropic in nature. Show Answer Correct Answer: C) Exhibits a sharp melting point. 35. The number of atoms per unit cell in FCC A) 3. B) 5. C) 2. D) 4. Show Answer Correct Answer: D) 4. 36. In a face centered cubic arrangement of A and B atoms whose A atoms are at the corner of the unit cell and B atoms at the face centres. One of the A atom Is missing from one corner in unit cell. The simplest formula of the compound is A) A$_{2}$B$_{3}$. B) A$_{7}$B$_{3}$. C) A$_{7}$B$_{24}$. D) AB$_{3}$. Show Answer Correct Answer: C) A$_{7}$B$_{24}$. 37. Which type of inverter type use feedback diodes? A) CSI. B) VSI. C) Both VSI and CSI. D) Only CSI. Show Answer Correct Answer: B) VSI. 38. The empirical formula for a compound with a cubic close packed arrangement of anions and with cations occupying all the octahedral sites in A$_{x}$B. The value of x is ..... (Integer answer) A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: D) 1. 39. A mixed oxide has ccp arrangement in which the cations 'X' occupy 1/3rd of octahedral voids and the cations 'Y' occupy 1/3rd of tetrahedral voids.The formula of oxide is: A) XY $_{3}$O. B) X $_{2}$YO $_{3}$. C) XY $_{2}$O $_{3}$. D) X $_{2}$Y $_{3}$O $_{2}$. Show Answer Correct Answer: C) XY $_{2}$O $_{3}$. 40. An element has a body-centered cubic structure with a cell edge of 288pm.The density of the element is 7.2 g cm$^{-3}$ .How many atoms are present in 208 g of the element? A) Na. B) 3 x Na. C) 4 X Na. D) 2 x Na. Show Answer Correct Answer: C) 4 X Na. 41. The edge length of NaCl unit cell is 564 pm. What is the density of NaCl in g/cm$^{3}$?(N$_{A}$=6.02 X 10$^{23}$, Na=23 u and Cl=35.5u) A) 4.16g/cm$^{3}$. B) 6.16g/cm$^{3}$. C) 2.16g/cm$^{3}$. D) 5.16g/cm$^{3}$. Show Answer Correct Answer: C) 2.16g/cm$^{3}$. 42. In calcium fluoride having the fluoride structure the coordination numbers for calcium ion and fluoride ions are A) 4 and 2. B) 6 and 6. C) 8 and 4. D) 4 and 8. Show Answer Correct Answer: C) 8 and 4. 43. According to Charles Law, if you have a balloon inside a car at noon during a hot summer day the balloon molecules inside will increase in pressure. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 44. Three elements A, B and C crystallise into a cubic solid lattice. Atom A occupy the corners, B occupy the cube centres and C occupy the edges. The formula of the compound is A) ABC$_{4}$. B) ABC$_{3}$. C) ABC$_{2}$. D) ABC. Show Answer Correct Answer: B) ABC$_{3}$. 45. For each pair, indicate which bond will be stronger-a. C-H, Li-F A) C-H. B) Li-F. C) Both. D) None of the above. Show Answer Correct Answer: B) Li-F. 46. In He-Ne laser active energy levels for transitions are provided by A) Ne atoms. B) He atoms. C) Both He and Ne. D) CO$_{2}$ atoms. Show Answer Correct Answer: A) Ne atoms. 47. Name the defects noticed when a solid is heated. A) Frenkel Defect. B) Interstitial Defect. C) Schottky Defect. D) Vacancy Defect. Show Answer Correct Answer: D) Vacancy Defect. 48. Sodium chloride, NaCl usually crystallizes in a face centred cubic lattice. How many ions are in contact with any single Na$^{+}$ ion? A) 1. B) 6. C) 4. D) 8. Show Answer Correct Answer: B) 6. 49. What are the different types of magnetic properties exhibited by materials? A) Ultradiamagnetism. B) Supermagnetism. C) Hyperparamagnetism. D) Ferromagnetism, Antiferromagnetism, Ferrimagnetism, Paramagnetism, Diamagnetism. Show Answer Correct Answer: D) Ferromagnetism, Antiferromagnetism, Ferrimagnetism, Paramagnetism, Diamagnetism. 50. Schottky Defect and frenkal Defect is likely to be found in A) ZnS. B) AgI. C) AgBr. D) NaCl. Show Answer Correct Answer: C) AgBr. 51. At 300K, 0.2 moles of glucose per litre has an osmotic pressure of 5 bar. If the osmotic pressure of another glucose solution is 2.5 bar at 300K, what will be its concentration? A) 0.1 M. B) 0.6 M. C) O.2 m. D) 0.4 m. Show Answer Correct Answer: A) 0.1 M. 52. For which of the following ionic crystalline solids, does the cation-anion bond have the largest amount of covalent character? A) NaBr. B) Bao. C) Lif. D) Cds. Show Answer Correct Answer: D) Cds. 53. Niobium crystallises in body-centred cubic structure. If density is 8.55 g cm$^{-3}$, calculate atomic radius of niobium using its atomic mass 93 u. A) 143 pm. B) 331 nm. C) 143 nm. D) 331 pm. Show Answer Correct Answer: A) 143 pm. 54. No. of atom present in end centered cubic cell:- A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: B) 2. 55. Most symmetric primitive unit cell is A) Cubic. B) Monoclinic. C) Triclinic. D) Orthorhombic. E) None of above. Show Answer Correct Answer: A) Cubic. 56. In DC shunt motor, the torque is directly proportional to A) Armature current. B) Square of armature current. C) Speed. D) Field current. Show Answer Correct Answer: A) Armature current. 57. The addition of CaCl$_{2}$ crystal to a KCl crystal A) Does not affect the density of the KCl crystal. B) Lower the density of the KCl crystal. C) Raises the density of the KCl crystal. D) Increases the Frenkel defects of KCl crystal. Show Answer Correct Answer: B) Lower the density of the KCl crystal. 58. ..... are attracted by a magnetic field but lose their magnetism in the absence of the magnetic field. A) Paramagnetic. B) Ferrimagnetic. C) Diamagnetic. D) Ferromagnetic. Show Answer Correct Answer: A) Paramagnetic. 59. What type of stoichiometric defect is shown by ZnS? A) Schottky defect. B) Frenkel defect. C) Both Frenkel and Schottky defects. D) Non-stoichiometric defect. Show Answer Correct Answer: B) Frenkel defect. 60. Suppose the radius of an atom of an element is 75pm and the lattice type is body centred cubic, what is the edge length of the unit cell? A) 153.2pm. B) 173.2pm. C) 137.2pm. D) 123.7pm. Show Answer Correct Answer: B) 173.2pm. ← 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 8Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books