This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is crystalline solid A) Rock salt. B) Cane Sugar. C) Gold. D) All of them. Show Answer Correct Answer: D) All of them. 2. ..... tetrahedral and octahedral voids are there in cubic unit cell respectively A) 2N & N. B) N & 2N. C) 3N & N. D) N&N. Show Answer Correct Answer: A) 2N & N. 3. As a result of frenkal Defect A) No effect on density. B) Density decrease. C) Density increase. D) None of these. Show Answer Correct Answer: A) No effect on density. 4. Which welding process is used for welding hub-ends to axle casings and gear assemblies? A) Ultrasonic Welding (USW). B) Cold Welding (CW). C) Friction Welding (FRW). D) Explosive Welding (EXW). Show Answer Correct Answer: C) Friction Welding (FRW). 5. What is the radius ratio of octahedral void? A) 0.225. B) 0.414. C) 0.732. D) 1. Show Answer Correct Answer: B) 0.414. 6. SSR adalah ..... A) Solid state resistor. B) Solid state relay. C) Solid state remote. D) Solid stick relay. Show Answer Correct Answer: B) Solid state relay. 7. Which of the following defects is not a type of Stoichiometric defects? A) Schottky defect. B) Interstitial Defect. C) Vacancy defect. D) Metal excess defect. Show Answer Correct Answer: D) Metal excess defect. 8. In a face centred cubic lattice atom A occupies the corner of positions and atom B occupies the face centred position.If one atom of B is missing from one of the face centred points the formula of the compound is A) AB2. B) A2B3. C) A2B5. D) A2B. Show Answer Correct Answer: C) A2B5. 9. The packing efficiency in simple unit cell is A) 100%. B) 68%. C) 74%. D) 52.4 %. Show Answer Correct Answer: D) 52.4 %. 10. What are the units of the scattering vector, Q? A) Angstroms. B) Inverse Angstroms. C) Degrees. D) Inverse Degrees. Show Answer Correct Answer: B) Inverse Angstroms. 11. Group drive consist of A) Single motor. B) Only one machine. C) Multi motors. D) None of the above. Show Answer Correct Answer: A) Single motor. 12. In a close pack array of 'N' spheres, the number of tetrahedral holes are ..... A) 4N. B) N/2. C) N. D) 2N. Show Answer Correct Answer: D) 2N. 13. The state of matter that has no definite size or shape is A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 14. Acc. to band theory Insulators have:- A) Small energy gap. B) Touching band. C) Large energy gap. D) Substituting band. Show Answer Correct Answer: C) Large energy gap. 15. Langevin's theory of paramagnetism primarily deals with ..... A) Ferromagnetic materials. B) The alignment of magnetic dipoles. C) Diamagnetic response. D) Superconductivity. Show Answer Correct Answer: B) The alignment of magnetic dipoles. 16. Some polar crystals when heated produce small electrical current. The phenomenon is called A) Ferroelectricity. B) Antiferroelectricity. C) Pyroelectricity. D) Piezoelectricity. Show Answer Correct Answer: C) Pyroelectricity. 17. The edge length of a face centred cubic cell of an ionic substance is 508 pm. If the radius of the cation is 110 pm, the radius of the anion is: A) 248pm. B) 144 pm. C) 618 pm. D) 398 pm. Show Answer Correct Answer: A) 248pm. 18. Choose the correct statement that describe metallic bonding. A) Attraction which exist in ionic solid. B) Bonding-bonding electron are delocalized over the entire crystal. C) Attraction between a negative ions and the sea of delocalized electrons. D) Weakest bonding. Show Answer Correct Answer: B) Bonding-bonding electron are delocalized over the entire crystal. 19. Which compound show both Schottky and Frenkel defect? A) NaBr. B) KBr. C) AgBr. D) AgCl. Show Answer Correct Answer: C) AgBr. 20. NaNO$_{3}$ A) White, soluble. B) White, insoluble. C) Yellow, soluble. D) Yellow, insoluble. Show Answer Correct Answer: A) White, soluble. 21. Type of stoichiometric defect shown by ZnS is A) Interstitial. B) Frenkal. C) Schottky. D) Both frenkal and schottky. Show Answer Correct Answer: B) Frenkal. 22. Which of the following is not the characteristics of ionic solids? A) Very low value of electrical conductivity in the molten state. B) Brittle nature. C) Very strong force of interactions. D) Anisotropic in nature. Show Answer Correct Answer: A) Very low value of electrical conductivity in the molten state. 23. TYPE-V CALCULATION OF THE TYPE OF LATTICEQ.An element with molar mass 27 g mol$^{-1 }$forms a cubic unit cell with edge length 4.05 X 10$^{-8}$ cm. If in density is 2.7 g cm$^{-3}$, what is the nature of the cubic unit cell? A) SC. B) BCC. C) FCC. D) HCP. Show Answer Correct Answer: C) FCC. 24. Which of the following happens when start Delta starter is used? A) Starting voltage is reduced. B) Starting current is reduced. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 25. What is the primary cause of electrical resistance in metals at temperatures above absolute zero? A) Scattering of electrons by phonons. B) Scattering of electrons by impurities. C) The absence of free electrons. D) None of the above. Show Answer Correct Answer: A) Scattering of electrons by phonons. ← 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