This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ward-Leonard controlled D.C. drives are generally used for ..... excavators. A) Light duty. B) Medium duty. C) Heavy duty. D) All of the above. Show Answer Correct Answer: C) Heavy duty. 2. The example of attraction between positively charged metal ions and sea of electrons, in solid state of substance is found in A) Ne. B) Fe. C) H$_{2}$. D) Na. Show Answer Correct Answer: B) Fe. 3. What is the coordination number for a simple cubic structure? A) 8. B) 12. C) 6. D) 4. Show Answer Correct Answer: C) 6. 4. The number of tetrahedral voids in the unit cell of fcc lattice of similar atom is A) 4. B) 5. C) 8. D) 12. Show Answer Correct Answer: C) 8. 5. An example of a crystal defect is ..... A) Free electrons in the conduction band. B) A vacancy (missing atom) in the lattice. C) A filled valence band. D) Acoustic phonons. Show Answer Correct Answer: B) A vacancy (missing atom) in the lattice. 6. The coordination number for an ion is ..... A) The number of particles touching that ion. B) The number of the other nearest types of ion. C) The number of that ion in the unit cell. D) Puppies!. Show Answer Correct Answer: B) The number of the other nearest types of ion. 7. In a cubic lattice 'A' atoms occupy the corners, 'B' atoms occupy all the face centers except one, and 'C' atoms occupy the alternate edge centers. The formula of the unit cell is A) AB$_{3}$C$_{3}$. B) AB$_{5}$C$_{3}$. C) A$_{2}$B$_{5}$C$_{2}$. D) A$_{2}$B$_{5}$C$_{3}$. Show Answer Correct Answer: C) A$_{2}$B$_{5}$C$_{2}$. 8. How many atoms are present in primitive unit cell A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 9. If atoms of an element X make an FCC and atoms of Y occupy edge centers and body centre of this unit cell, what is the formula of compound between X and Y A) X2Y. B) XY2. C) XY. D) Can't be predicted. Show Answer Correct Answer: C) XY. 10. What welding technique uses explosives to create strong bonds between materials? A) Ultrasonic welding. B) Friction stir welding. C) Explosive welding. D) Resistance spot welding. Show Answer Correct Answer: C) Explosive welding. 11. Example of ANTIFERROMAGNETISM A) MnO. B) NaCl. C) HCl. D) HF. Show Answer Correct Answer: A) MnO. 12. At very low temperature, oxygen freezes and forms crystalline solid. Which term best describes the solid? A) Ionic. B) Covalent. C) Metallic. D) Molecular. Show Answer Correct Answer: D) Molecular. 13. A solid is made up of two elements P and Q. Q are arranged in ccp. while P occupy all tetrahedral sites. formula of compound A) PQ$_{2}$. B) PQ. C) PQ$_{3}$. D) P$_{2}$Q. Show Answer Correct Answer: D) P$_{2}$Q. 14. The main difference between crystalline and amorphous solids is ..... A) Crystalline solids have random atomic arrangements, while amorphous solids are ordered. B) Crystalline solids have ordered atomic arrangements, while amorphous solids are disordered. C) Both have identical atomic structures. D) Only amorphous solids can conduct electricity. Show Answer Correct Answer: B) Crystalline solids have ordered atomic arrangements, while amorphous solids are disordered. 15. The edge length of a face centered 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) 618. B) 144. C) 288. D) 398. Show Answer Correct Answer: B) 144. 16. Assertion:Face-centred cubic cell has four atoms per unit cell. Reason:In fcc unit, there are eight atoms at the corner and six atoms at face centers(a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true, but reason is not the correct explanation of assertion. (c) If assertion is true, but reason is false. (d) If both assertion and reason are false. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 17. On which basis, solid state has been classified into crystalline and amorphous state A) Intermolecular forces. B) Shape. C) Size. D) Arrangements of constituent particles. Show Answer Correct Answer: D) Arrangements of constituent particles. 18. Acetone and carbon tetrachloride form a non-ideal solution showing 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. 19. What characterizes acoustic phonons? A) High-frequency vibrations. B) Low-frequency vibrations where atoms move in-phase. C) Vibrations that do not carry energy. D) None of the above. Show Answer Correct Answer: B) Low-frequency vibrations where atoms move in-phase. 20. What type of bond is formed in solid state welding when materials mechanically interlock at the interface? A) Fusion bond. B) Metallurgical bond. C) Solder joint. D) Mechanical bond. Show Answer Correct Answer: D) Mechanical bond. 21. ..... is the basic repeated structural unit of a crystalline solid. A) Monomer. B) Molecule. C) Unit cell. D) Atom. Show Answer Correct Answer: C) Unit cell. 22. Peizo electricity example A) Sodium potassium tartarate. B) Lead zirconate. C) Barium titanate. D) And Potassium dihydrogen phosphate. Show Answer Correct Answer: B) Lead zirconate. 23. Consider X-ray diffraction from a crystal with a FCC lattice. The lattice plane for which there is no diffraction peak is A) (212). B) (111). C) (200). D) (311). Show Answer Correct Answer: D) (311). 24. When ZnO is heated it turns yellow. It shows A) Non stoichiometric defect due to cation deficiency. B) Non stoichiometric defect due to cation excess. C) Non stoichiometric defect due to anion excess. D) None of the above. Show Answer Correct Answer: B) Non stoichiometric defect due to cation excess. 25. Which of the following solids is not an electrical conductor?1) Mg(s)2) TiO(s)3) I2(s)4) H2O(s) A) Only 1. B) Only 2. C) 3 and 4. D) 2, 3 and 4. Show Answer Correct Answer: C) 3 and 4. ← 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