This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The total number of possible 3-dimensional arrangements in a crystal lattice A) 7. B) 14. C) 12. D) 8. Show Answer Correct Answer: B) 14. 2. What is F centre A) Farbe centre. B) Fossil centre. C) Finish centre. D) None of the above. Show Answer Correct Answer: A) Farbe centre. 3. How many unit cells share a face in a crystal lattice A) 2. B) 1. C) 4. D) 8. Show Answer Correct Answer: A) 2. 4. A nonelectrolyte is ..... A) The rapid, random movement of particles in colloidal dispersion. B) A substance that dissolves in water and conducts electric current. C) A substance that dissolves in water and does not conduct electric current. D) The solution process when water is the solvent. Show Answer Correct Answer: C) A substance that dissolves in water and does not conduct electric current. 5. ..... has least range of speed control A) Slip ring induction motor. B) Synchronous motor. C) DC shunt motor. D) Schrage motor. Show Answer Correct Answer: B) Synchronous motor. 6. Frenkel defect is caused due to ..... A) An ion missing from the normal lattice site creating a vacancy. B) An extra positive ion occupying an interstitial position in the lattice. C) An extra negative ion occupying an interstitial position in the lattice. D) The shift of a positive ion from its normal lattice site to an interstitial site. Show Answer Correct Answer: D) The shift of a positive ion from its normal lattice site to an interstitial site. 7. Which is an exact differential? A) DQ. B) DW. C) DU. D) Dq. Show Answer Correct Answer: C) DU. 8. Their constituent particles (atoms, molecules or ions) have fixed positions and can only oscillate about their mean positions. A) Solid. B) Liquid. C) Gas. D) Plasma. Show Answer Correct Answer: A) Solid. 9. The vapour pressure of acetone at 20$^{O}$C is 185 torr. When 1.2 g of a non-volatile substance was dissolved in 100 g of acetone at 20$^{O}$C, its vapour pressure was 183 torr. The molar mass (g mol$^{-1}$) of the substance is: A) 32. B) 64. C) 128. D) 488. Show Answer Correct Answer: B) 64. 10. What are the capacitive effects observed in a PN junction? A) Resistance capacitance and thermal capacitance. B) The capacitive effects observed in a PN junction include junction capacitance and diffusion capacitance. C) Voltage drop and current gain effects. D) Inductive effects and magnetic capacitance. Show Answer Correct Answer: B) The capacitive effects observed in a PN junction include junction capacitance and diffusion capacitance. 11. The transition oxide which resembles copper in its appearance and conductivity is A) MnO. B) FeO. C) TiO. D) ReO$_{3}$. Show Answer Correct Answer: D) ReO$_{3}$. 12. Amorphous solid can also be called ..... I.pseudo solidsII.true solidsIII.super cooled liquidsIV.super cooled solids A) I, II, III and IV. B) I, III. C) II, III and IV. D) II, III. Show Answer Correct Answer: B) I, III. 13. Butter and glass are examples of amorphous solids. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Untuk membentuk ikatan yang kuat, antar muka harus terkontaminasi oksida, residu, cairan pengerjaan logam, kontaminan lain, dan bahkan lapisan gas yang teradsorpsi. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: B) Salah. 15. A DC machine that runs as a motor will also operate as a A) Rectifier. B) Converter. C) Generator. D) Inverter. Show Answer Correct Answer: C) Generator. 16. Which of the following is true about the value of refractive index of quartz glass? A) Same in all directions. B) Different in different directions. C) Cannot be measured. D) Always zero. Show Answer Correct Answer: A) Same in all directions. 17. What is the significance of area under Maxwell-Boltzmann curve A) The area will give the maximum fraction of molecules at a particular temperature. B) It will give the total number of molecules in the gas. C) It is a measure of molecules with high velocity. D) It is an indication of probability of molecules. Show Answer Correct Answer: B) It will give the total number of molecules in the gas. 18. The coordination number of a metal crystalising in hcp structure is A) 12. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 12. 19. A cubic solid is made of two elements P and Q. Atoms of Q are at the corners of the cube and P at the body-centre. What is the formula of the compound? A) PQ. B) P$_{2}$Q. C) PQ$_{2}$. D) PQ$_{4}$. Show Answer Correct Answer: A) PQ. 20. What is an extinction condition? A) Set of hkl values that result in maximum diffraction intensity. B) Cataclysmic event where species start to die off. C) Set of hkl values that result in 0 diffraction intensity. D) None of the above. Show Answer Correct Answer: C) Set of hkl values that result in 0 diffraction intensity. 21. Which welding process requires surfaces to be degreased and scratch-brushed for good bonding characteristics? A) Ultrasonic Welding (USW). B) Cold Welding (CW). C) Diffusion Bonding (DFW). D) Friction Welding (FRW). Show Answer Correct Answer: B) Cold Welding (CW). 22. What parameter is used to optimize the friction welding process? A) Voltage. B) Current. C) Energy and contact pressure. D) Gas flow rate. Show Answer Correct Answer: C) Energy and contact pressure. 23. Based on band theory, conductors are characterized by ..... A) A very wide band gap. B) Overlapping valence and conduction bands. C) A complete absence of electrons. D) Only moving phonons. Show Answer Correct Answer: B) Overlapping valence and conduction bands. 24. What type of solid is SiC A) Covalant. B) Metalic. C) Molecular. D) Solid. Show Answer Correct Answer: A) Covalant. 25. The load cycle for a motor driving a power press will be A) Variable load. B) Continuous. C) Continuous but periodical. D) Intermittent and variable load. Show Answer Correct Answer: D) Intermittent and variable load. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 1 Solid State Quiz 1Class 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 10Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books