This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does an AND gate function? A) An AND gate outputs true when at least one input is true. B) An AND gate functions by outputting false when all inputs are false. C) An AND gate produces true if any input is true. D) An AND gate functions by outputting true only when all inputs are true. Show Answer Correct Answer: D) An AND gate functions by outputting true only when all inputs are true. 2. What is the role of the Madelung constant in ionic crystals? A) It indicates the melting point. B) It determines the lattice structure. C) It quantifies the electrostatic energy. D) It measures the ionic radius. Show Answer Correct Answer: C) It quantifies the electrostatic energy. 3. What is the change in the length of a 15.0-m steel rail as it is cooled from 1535$^\circ$ C to 20$^\circ$ C? A) -33 cm. B) -27 cm. C) 3 cm. D) 20 cm. Show Answer Correct Answer: B) -27 cm. 4. The Clausius-Mossotti relation connects dielectric constant with ..... A) Molar mass. B) Electrical resistance. C) Polarizability. D) Magnetic Permeability. Show Answer Correct Answer: C) Polarizability. 5. The number of atoms per unit cell in simple, fcc and bcc unit cells are A) 1, 4, 2. B) 1, 2, 4. C) 2, 1, 4. D) 2, 4, 1. Show Answer Correct Answer: A) 1, 4, 2. 6. Gold (atomic radius = 0.144 nm) crystallises in a face-centred unit cell. What is the length of a side of the cell? A) 0.607 nm. B) 0.407 nm. C) 6.07 nm. D) 4.07 nm. Show Answer Correct Answer: B) 0.407 nm. 7. It is the amount of matter in an object. A) Volume. B) Mass. C) Weight. D) Density. Show Answer Correct Answer: B) Mass. 8. Amorphous solids are also known as A) True solid. B) Pseudo solid. C) Poly crystalline solid. D) None of these. Show Answer Correct Answer: B) Pseudo solid. 9. Named for the father-son dynamic duo, this geometric description of the diffraction condition won the Nobel prize in 1915. A) Ewald Sphere. B) Bragg's Law. C) Madelung's Constant. D) Born-Haber cycle. Show Answer Correct Answer: B) Bragg's Law. 10. If NaCl is doped with 10$^{-4}$ mol % of SrCl$_{2}$, the concentration of cation vacancies will be A) 6.02X 10$^{14}$ mol$^{-1}$. B) 6.02X 10$^{15}$ mol$^{-1}$. C) 6.02X 10$^{16}$ mol$^{-1}$. D) 6.02X 10$^{17}$ mol$^{-1}$. Show Answer Correct Answer: D) 6.02X 10$^{17}$ mol$^{-1}$. 11. Amorphous substances showsA. Short and long range order.B. Short range orderC. Long range orderD. have no sharp M.P A) A & C are correct. B) B & C are correct. C) C& D are correct. D) B & D are correct. Show Answer Correct Answer: D) B & D are correct. 12. How do you model a diode in a circuit? A) Model as a resistor in all conditions. B) Use an ideal diode model:short circuit in forward bias, open circuit in reverse bias. C) Use a variable resistor for biasing. D) Assume it has no effect on the circuit. Show Answer Correct Answer: B) Use an ideal diode model:short circuit in forward bias, open circuit in reverse bias. 13. NaCl is the example of A) Metallic crystal. B) Molecular covalent crystal. C) Ionic crystal. D) Giant covalent solids. Show Answer Correct Answer: C) Ionic crystal. 14. F centre is A) The positions in the crystal lattice taken by the electrons in anion vacancy defect and is responsible for the colour of the substance. B) The positions in the crystal lattice taken by the anion in anion vacancy defect and is responsible for the co lour of the substance. C) The positions in the crystal lattice taken by the electron in cation vacancy defect and is responsible for the co lour of the substance. D) None of the above. Show Answer Correct Answer: A) The positions in the crystal lattice taken by the electrons in anion vacancy defect and is responsible for the colour of the substance. 15. Which type of crystal type is represented by a match box A) Cubic. B) Hexagonal. C) Tetragonal. D) Orthorhombic. Show Answer Correct Answer: D) Orthorhombic. 16. Describe the operation of a common emitter amplifier. A) A common emitter amplifier amplifies an input signal with inversion and increased voltage using a BJT. B) A common emitter amplifier reduces signal strength with no phase shift using a FET. C) A common emitter amplifier filters signals without amplification using a transformer. D) A common emitter amplifier provides voltage gain without inverting the input signal using a BJT. Show Answer Correct Answer: A) A common emitter amplifier amplifies an input signal with inversion and increased voltage using a BJT. 17. Which of the following is not a characteristic of crystalline solid? A) They have a regular geometry. B) They have sharp melting point. C) They are isotropic. D) They undergo a clean cleavage. Show Answer Correct Answer: C) They are isotropic. 18. An example of crystalline solid is ..... A) Rubber. B) Plastic. C) Gel. D) Graphite. Show Answer Correct Answer: D) Graphite. 19. Substances / solids showing ..... behaviour make permanent magnets A) Paramagnetic. B) Ferrimagnetic. C) Antiferromagnetc. D) Ferromagnetic. Show Answer Correct Answer: D) Ferromagnetic. 20. The lattice side in a crystal cannot be occupied by ..... A) Molecule. B) Ion. C) Electron. D) Atom. Show Answer Correct Answer: C) Electron. 21. A compound is formed by two element X & Y. The element Y forms ccp and atoms of X occupy 1/3$^{rd}$ of tetrahedral voids. What is the formula of the compound? A) X$_{2}$Y$_{3}$. B) X$_{2}$Y. C) X$_{3}$Y$_{2}$. D) XY$_{3}$. Show Answer Correct Answer: A) X$_{2}$Y$_{3}$. 22. What is the coordination number in a square closed packed structure in two dimensions. A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 23. Zinc Crystallizes is hcp strucature. if 'r' is the radius of Zinc atom, the height of unit cell is: A) $2r\left(\frac{8}{3}\right)^{\frac{1}{2}}$. B) $r\left(\frac{8}{3}\right)^{\frac{1}{2}}$. C) $2r\left(\frac{3}{8}\right)^{\frac{1}{2}}$. D) $r\left(\frac{3}{8}\right)^{\frac{1}{2}}$. Show Answer Correct Answer: A) $2r\left(\frac{8}{3}\right)^{\frac{1}{2}}$. 24. Which type of defect shown by Ionic solid? A) Vacancy. B) Schottky. C) Frenkel. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 25. Most crystals show good cleavage because their atoms, ions or molecules are A) Weakly bonded together. B) Strongly bonded together. C) Spherically symmetrical. D) Arranged in planes. Show Answer Correct Answer: D) Arranged in planes. ← 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