This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Forward Braking operation of the motor is in A) Quadrant 1. B) Quadrant 2. C) Quadrant 3. D) Quadrant 4. Show Answer Correct Answer: B) Quadrant 2. 2. Due to frenkel defect the density of substance A) Increased. B) Decreased. C) Does not Change. D) Depends on pressure. Show Answer Correct Answer: C) Does not Change. 3. Antiferromagnetic substance have A) Zero magnetic moment. B) Small magnetic moment. C) Large magnetic moment. D) Any value of magnetic moment. Show Answer Correct Answer: A) Zero magnetic moment. 4. A circular pyrex watch glass of 10.0-dm diameter at 21 $^\circ$ C is heated to 501$^\circ$ C. What change will be found in the circumference of the glass? A) 0.045 cm. B) 0.063 cm. C) 0.0144 cm. D) 0.0314 cm. Show Answer Correct Answer: A) 0.045 cm. 5. Z effective of Body Centered Cell is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 6. Why does ZnO appear golden yellow at higher temperature? A) Due to presence of cationic vacancies. B) Due to the presence of electrons in interstitial void. C) Due to presence of anionic vacancies. D) Due to presence of tetrahedral voids. Show Answer Correct Answer: B) Due to the presence of electrons in interstitial void. 7. Ketika gerakan antar permukaan yang bersentuhan terjadi, bahkan amplitudo yang sangat kecil akan mengganggu permukaan yang bersentuhan, memecah oksida, dan membersihkan permukaan sehingga meningkatkan kekuatan pada ikatan. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: A) Benar. 8. Which of the following machines has heavy fluctuation of load? A) Printing machine. B) Punching machine. C) Planer. D) Lathe. Show Answer Correct Answer: B) Punching machine. 9. A feromagnetic substances becomes a permanent magnet when it is placed in a magnetic field because A) All the domen's get oriented in the direction of magnetic field. B) All domains get oriented in the direction opposite to the direction of magnetic field. C) Domain get oriented randomly. D) Domains are not affected by magnetic field. Show Answer Correct Answer: A) All the domen's get oriented in the direction of magnetic field. 10. In case of association, value of vant Hoff factor ( i) is less than unity A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. LiCl, NaCl, KCl, and RbCl all adopt the rocksalt structure, with cations in octahedral coordination. However, CsCl adopts a different structure (coordination number = 8). Which of Pauling's empirical "rules" best describes this observation? A) Radius Ratio Rule. B) Madelung Energy Rule. C) 8-N Rule. D) None of the above. Show Answer Correct Answer: A) Radius Ratio Rule. 12. The valence electrons do not directly measure the following property of a metal A) Electrical conductivity. B) Thermal conductivity. C) Shear modulus. D) Metallic luster. Show Answer Correct Answer: C) Shear modulus. 13. The freezing point (in $^{o}$C) of a solution containing 0.1 g of K$_{3}$[Fe(CN)$_{6}$] (Mol. Wt. 329) in100 g of water (K$_{f}$ = 1.86 K kg mol$^{-1}$) is A) -2.3 x 10$^{-2 }$. B) -5.7 x 10$^{-2 }$. C) -5.7 x 10$^{-3 }$. D) -1.2 x 10$^{-2}$. Show Answer Correct Answer: A) -2.3 x 10$^{-2 }$. 14. What is SSD? A) Soft sick drive. B) Solid stick drive. C) Solid state drive. D) None of the above. Show Answer Correct Answer: C) Solid state drive. 15. The space occupied in FCC arrangement is A) 74%. B) 68%. C) 100%. D) None of these. Show Answer Correct Answer: A) 74%. 16. ZnO on heating shows yellow colour, it is due to A) Metal excess defect due to presence of extra cation. B) Metal deficiency defect. C) Frenkel defect. D) Schotty defect. Show Answer Correct Answer: A) Metal excess defect due to presence of extra cation. 17. When smooth and precise speed control over a wide range is desired, the motor preferred is A) Synchronous motor. B) Squirrel cage induction motor. C) Wound rotor induction motor. D) DC motor. Show Answer Correct Answer: D) DC motor. 18. Percentage of free space in a body centred cubic unit cell is A) 34. B) 32. C) 68. D) 74. Show Answer Correct Answer: B) 32. 19. The number of octahedral sites per sphere in FCC structure is: A) 8. B) 4. C) 2. D) 1. Show Answer Correct Answer: D) 1. 20. ..... type of polarization occurs due to the displacement of electrons relative to their nuclei in an atom. A) Ionic. B) Electronic. C) Orientational. D) Space charge. Show Answer Correct Answer: B) Electronic. 21. If the radius of the octahedral void is r and radius of the atoms in closepacking is R, What is the ratio between r and R. A) 0.225. B) 0.414. C) 0.732. D) 0.889. Show Answer Correct Answer: B) 0.414. 22. Schottky defects are observed in which solid among the following? A) Brass. B) Cesium chloride. C) Zinc sulphide. D) Stainless steel. Show Answer Correct Answer: B) Cesium chloride. 23. The shortest distance between two points in a plane is ..... A) Circular. B) Hyperbolic. C) Parabolic. D) Straight line. Show Answer Correct Answer: D) Straight line. 24. All polymers are A) Crystalline. B) Amorphous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Amorphous. 25. At what condition, the constituent particles are free to to move in solid state A) At very low temperature. B) At sufficient low temperature. C) At high temperature. D) Both B and C. Show Answer Correct Answer: C) At high temperature. ← 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