This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 55 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Copper crystallizes in fcc with a unit cell length of 361 pm. What is the radius of copperatom? A) 108 pm. B) 127 pm. C) 157 pm. D) 181 pm. Show Answer Correct Answer: B) 127 pm. 2. Peaks of scattered intensity is observed when the path difference would be equal to ..... A) $\lambda$. B) $\frac{\lambda}{2}$. C) $\frac{3\lambda}{2}$. D) No peaks are observed at any condition. Show Answer Correct Answer: A) $\lambda$. 3. In a four quadrant mode of operation, second quadrant represents: A) Forward Motoring. B) Forward Braking. C) Reverse Motoring. D) Reverse Braking. Show Answer Correct Answer: B) Forward Braking. 4. The GROND Observatory is known to measure the afterglow of GRBs in ..... colours simultaneously. A) 2. B) 5. C) 7. D) 9. Show Answer Correct Answer: C) 7. 5. X-rays posses a wavelength ..... to atomic lattices. a) b) c) d) A) Comparable. B) Double. C) Half. D) One fourth. Show Answer Correct Answer: A) Comparable. 6. Coordination no of CaF$_{2}$ and Na$_{2}$O respectively. A) 4:8, 8:4. B) 4:4, 8:8. C) 8:4, 4:8. D) 8:8, 4:4. Show Answer Correct Answer: A) 4:8, 8:4. 7. Which of the following substance is diamagnetic? A) Fe3O4. B) MgFe2O4. C) ZnFe2O4. D) NaCl. Show Answer Correct Answer: D) NaCl. 8. Assertion:In any ionic solid (MX) with Schottky defects, the number of positive and negative ions are same. Reason:Equal number of cation and anion vacancies are present. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 9. Size of cation and anion in Schottky defect A) Cation >>> anion. B) Cation = anion. C) Anion >>> cation. D) None of the above. Show Answer Correct Answer: C) Anion >>> cation. 10. What is Doping? A) Adding purities. B) Adding impurities. C) Decrease conductivity. D) All of these. Show Answer Correct Answer: B) Adding impurities. 11. A fully controlled converter uses A) Diodes only. B) Thyristors only. C) Both diodes and thyristors. D) Noe of them. Show Answer Correct Answer: B) Thyristors only. 12. Calculate the density of silver which crystallizes in a face-centred cubic structure. Two distance between the nearest silver atom in this structure is 287 pm.(molar mass of Ag=107.87 g mol$^{-1}$, N$_{A}$=6.02X10$^{23 }$mol$^{-1}$). A) 4.71g/cm$^{3}$. B) 2.71g/cm$^{3}$. C) 12.71g/cm$^{3}$. D) 10.71g/cm$^{3}$. Show Answer Correct Answer: D) 10.71g/cm$^{3}$. 13. An ionic compound crystallises in FCC type structure with 'A' ions at the centre of each face and 'B' ions occupying corners of the cube. The formula of the compound is A) AB4. B) A3B. C) AB. D) AB3. Show Answer Correct Answer: B) A3B. 14. The Crystal lattice of NaCl is A) FCC. B) BCC. C) Simple Cubic. D) HCP. Show Answer Correct Answer: A) FCC. 15. Scanning electron is a technique that uses ..... for the scanning A) Light. B) Electrons. C) Both light and electrons. D) None of the above. Show Answer Correct Answer: B) Electrons. 16. When the deviations from ideal arrangement are in the entire row then the defect is A) Line defect. B) Point defect. C) Impurity defect. D) None of the above. Show Answer Correct Answer: A) Line defect. 17. Find whether the bonds are ionic or covalent-O-C-O A) Ionic. B) Covalent. C) None. D) None of the above. Show Answer Correct Answer: B) Covalent. 18. A unit cell is characterized by how many parameters? A) 4. B) 5. C) 6. D) 7. Show Answer Correct Answer: C) 6. 19. What type of welding process involves introducing oscillating vibrations through a hardened probe? A) Friction Welding (FRW). B) Ultrasonic Welding (USW). C) Cold Welding (CW). D) Flash Welding (FW). Show Answer Correct Answer: B) Ultrasonic Welding (USW). 20. What is a benefit of solid-state storage in terms of speed? A) Uses a mechanical arm. B) Relies on processors embedded within. C) Slow data access. D) High energy consumption. Show Answer Correct Answer: B) Relies on processors embedded within. 21. In face centred cubic lattice, A occupies corners and B occupies face centres. If one atoms ofB is missing from one of the face centre, formula of the compound is. A) AB$_{2}$. B) A$_{2}$B$_{2}$. C) A$_{2}$B$_{5}$. D) A$_{2}$B. Show Answer Correct Answer: C) A$_{2}$B$_{5}$. 22. Use MP3 to store ..... A) Video files. B) Music files. C) All the above. D) None of the above. Show Answer Correct Answer: B) Music files. 23. Speed and design rating are limited in A) DC drives. B) AC drives. C) Both AC and DC drive. D) None of the above. Show Answer Correct Answer: A) DC drives. 24. Number of atoms in one unit cell A) 1. B) 4. C) 12. D) 8. Show Answer Correct Answer: D) 8. 25. Which welding process is used for joining high-strength materials in the aerospace and nuclear industries? A) Cold Welding (CW). B) Ultrasonic Welding (USW). C) Flash Welding (FW). D) Diffusion Bonding (DFW). Show Answer Correct Answer: D) Diffusion Bonding (DFW). ← 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